Q. A vehicle travels 100 km in 2 hours and then 50 km in 1 hour. What is its average speed for the entire trip? (2019)
A.
50 km/h
B.
60 km/h
C.
70 km/h
D.
75 km/h
Show solution
Solution
Total distance = 100 km + 50 km = 150 km; Total time = 2 h + 1 h = 3 h. Average speed = Total distance / Total time = 150 km / 3 h = 50 km/h.
Correct Answer:
C
— 70 km/h
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Q. An object is dropped from a height of 20 m. How long will it take to reach the ground? (Take g = 10 m/s²)
A.
2 s
B.
4 s
C.
3 s
D.
5 s
Show solution
Solution
Using the formula h = (1/2)gt², we have 20 = (1/2)(10)t², thus t² = 4, t = 2 s.
Correct Answer:
B
— 4 s
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Q. An object is in free fall. What is its acceleration?
A.
0 m/s²
B.
9.8 m/s²
C.
10 m/s²
D.
5 m/s²
Show solution
Solution
In free fall, the only force acting on the object is gravity, so its acceleration is approximately 9.8 m/s².
Correct Answer:
B
— 9.8 m/s²
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Q. An object is moving with a velocity of 10 m/s. What is its kinetic energy if its mass is 2 kg? (2022)
A.
10 J
B.
20 J
C.
30 J
D.
40 J
Show solution
Solution
Kinetic Energy = (1/2)mv² = (1/2) × 2 kg × (10 m/s)² = 100 J
Correct Answer:
B
— 20 J
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Q. An object is placed 10 cm from a convex lens with a focal length of 5 cm. What is the nature of the image formed? (2022)
A.
Real and inverted
B.
Virtual and erect
C.
Real and erect
D.
Virtual and inverted
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Solution
Since the object distance is less than the focal length, the image formed is virtual and erect.
Correct Answer:
B
— Virtual and erect
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Q. An object is placed 15 cm in front of a convex lens of focal length 10 cm. What is the position of the image formed? (2020)
A.
5 cm
B.
10 cm
C.
30 cm
D.
15 cm
Show solution
Solution
Using the lens formula: 1/f = 1/v - 1/u, where f = 10 cm and u = -15 cm, we find v = 30 cm.
Correct Answer:
C
— 30 cm
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Q. An object is placed 30 cm in front of a convex lens of focal length 15 cm. What is the image distance?
A.
10 cm
B.
15 cm
C.
20 cm
D.
25 cm
Show solution
Solution
Using the lens formula 1/f = 1/v - 1/u, where u = -30 cm and f = 15 cm, we find v = 10 cm.
Correct Answer:
A
— 10 cm
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Q. An object is placed 30 cm in front of a convex lens of focal length 15 cm. What is the position of the image formed? (2020)
A.
10 cm
B.
15 cm
C.
20 cm
D.
25 cm
Show solution
Solution
Using the lens formula 1/f = 1/v - 1/u, where u = -30 cm and f = 15 cm, we find v = 10 cm.
Correct Answer:
D
— 25 cm
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Q. An object is thrown horizontally from a height of 45 m. How long will it take to hit the ground? (Take g = 10 m/s²) (2022)
A.
3 s
B.
4 s
C.
5 s
D.
6 s
Show solution
Solution
Using h = (1/2)gt², 45 = (1/2)(10)t². Solving gives t² = 9, so t = 3 s.
Correct Answer:
B
— 4 s
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Q. An object is thrown vertically upwards with a speed of 20 m/s. How high will it rise before coming to rest? (Take g = 10 m/s²) (2020)
A.
20 m
B.
40 m
C.
50 m
D.
80 m
Show solution
Solution
Using the formula h = (u²)/(2g) = (20²)/(2 × 10) = 20 m.
Correct Answer:
B
— 40 m
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Q. An object moves in a straight line with a uniform speed of 10 m/s. How far will it travel in 15 seconds? (2023)
A.
100 m
B.
120 m
C.
150 m
D.
200 m
Show solution
Solution
Distance = Speed × Time = 10 m/s × 15 s = 150 m.
Correct Answer:
C
— 150 m
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Q. An object moves in a straight line with a uniform speed of 30 m/s. How far will it travel in 15 seconds? (2022)
A.
300 m
B.
450 m
C.
600 m
D.
750 m
Show solution
Solution
Distance = Speed × Time = 30 m/s × 15 s = 450 m.
Correct Answer:
C
— 600 m
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Q. An object moves with a uniform speed of 15 m/s. How far will it travel in 10 seconds? (2022)
A.
100 m
B.
150 m
C.
200 m
D.
250 m
Show solution
Solution
Distance = Speed × Time = 15 m/s × 10 s = 150 m.
Correct Answer:
B
— 150 m
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Q. An object of mass 10 kg is moving with a velocity of 3 m/s. What is its kinetic energy? (2022)
A.
45 J
B.
30 J
C.
60 J
D.
15 J
Show solution
Solution
Kinetic Energy (KE) = 0.5 × m × v² = 0.5 × 10 kg × (3 m/s)² = 45 J.
Correct Answer:
B
— 30 J
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Q. An object of mass 4 kg is moving with a velocity of 3 m/s. What is its kinetic energy? (2022)
A.
18 J
B.
24 J
C.
36 J
D.
12 J
Show solution
Solution
Kinetic Energy (KE) = 1/2 mv² = 1/2 × 4 kg × (3 m/s)² = 18 J.
Correct Answer:
B
— 24 J
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Q. If 200 g of water at 80°C is mixed with 300 g of water at 20°C, what will be the final temperature of the mixture? (2019)
A.
30°C
B.
40°C
C.
50°C
D.
60°C
Show solution
Solution
Using the formula m1c1T1 + m2c2T2 = (m1 + m2)cT, we find T = (200*80 + 300*20) / (200 + 300) = 40°C.
Correct Answer:
B
— 40°C
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Q. If a 10 kg object is lifted to a height of 5 m, what is the work done against gravity? (Use g = 9.8 m/s²) (2021)
A.
49 J
B.
98 J
C.
490 J
D.
245 J
Show solution
Solution
Work done = mgh = 10 kg × 9.8 m/s² × 5 m = 490 J.
Correct Answer:
C
— 490 J
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Q. If a 10 ohm resistor is connected to a 5V battery, what is the current flowing through the resistor? (2020)
A.
0.5 A
B.
1 A
C.
2 A
D.
5 A
Show solution
Solution
Using Ohm's law, I = V/R = 5V / 10Ω = 0.5 A.
Correct Answer:
B
— 1 A
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Q. If a 12 V battery is connected to a resistor of 4 ohms, what is the current flowing through the circuit?
A.
3 A
B.
4 A
C.
12 A
D.
0.33 A
Show solution
Solution
Using Ohm's Law (I = V/R), I = 12 V / 4 Ω = 3 A.
Correct Answer:
A
— 3 A
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Q. If a 2 kg object is lifted to a height of 3 m, what is the potential energy gained? (Use g = 9.8 m/s²) (2020)
A.
58.8 J
B.
19.6 J
C.
29.4 J
D.
39.2 J
Show solution
Solution
Potential Energy = mass × g × height = 2 kg × 9.8 m/s² × 3 m = 58.8 J
Correct Answer:
A
— 58.8 J
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Q. If a 2 kg object is lifted to a height of 3 m, what is the potential energy gained by the object? (Take g = 9.8 m/s²) (2020)
A.
58.8 J
B.
19.6 J
C.
29.4 J
D.
39.2 J
Show solution
Solution
Potential Energy (PE) = mgh = 2 kg × 9.8 m/s² × 3 m = 58.8 J.
Correct Answer:
A
— 58.8 J
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Q. If a 2 kg object is lifted to a height of 3 m, what is the potential energy gained by the object? (Use g = 9.8 m/s²)
A.
58.8 J
B.
19.6 J
C.
29.4 J
D.
39.2 J
Show solution
Solution
Potential Energy (PE) = mgh = 2 kg × 9.8 m/s² × 3 m = 58.8 J.
Correct Answer:
A
— 58.8 J
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Q. If a 2 kg object is lifted to a height of 3 m, what is the work done against gravity? (Use g = 9.8 m/s²) (2023)
A.
58.8 J
B.
39.2 J
C.
19.6 J
D.
29.4 J
Show solution
Solution
Work done = mgh = 2 kg × 9.8 m/s² × 3 m = 58.8 J.
Correct Answer:
A
— 58.8 J
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Q. If a 5 kg object is lifted to a height of 2 m, what is the potential energy gained by the object? (Use g = 9.8 m/s²) (2020)
A.
49 J
B.
98 J
C.
19.6 J
D.
39.2 J
Show solution
Solution
Potential Energy = mgh = 5 kg × 9.8 m/s² × 2 m = 98 J
Correct Answer:
B
— 98 J
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Q. If a body is moving with a uniform acceleration of 2 m/s², what will be its velocity after 5 seconds if it starts from rest? (2023)
A.
5 m/s
B.
10 m/s
C.
15 m/s
D.
20 m/s
Show solution
Solution
Using the formula v = u + at, where u = 0, a = 2 m/s², t = 5 s. v = 0 + (2 × 5) = 10 m/s.
Correct Answer:
B
— 10 m/s
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Q. If a car accelerates from rest at a rate of 2 m/s², what will be its speed after 5 seconds? (2023)
A.
5 m/s
B.
10 m/s
C.
15 m/s
D.
20 m/s
Show solution
Solution
Speed = Initial speed + (Acceleration × Time) = 0 + (2 m/s² × 5 s) = 10 m/s.
Correct Answer:
B
— 10 m/s
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Q. If a car accelerates uniformly from rest to a speed of 25 m/s in 10 seconds, what is the distance covered during this time? (2023)
A.
125 m
B.
150 m
C.
200 m
D.
250 m
Show solution
Solution
Distance = ut + (1/2)at². Here, u = 0, a = (25-0)/10 = 2.5 m/s². Distance = 0 + (1/2)(2.5)(10²) = 125 m.
Correct Answer:
A
— 125 m
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Q. If a car accelerates uniformly from rest to a speed of 72 km/h in 10 seconds, what is its acceleration? (2023)
A.
2 m/s²
B.
3 m/s²
C.
4 m/s²
D.
5 m/s²
Show solution
Solution
Acceleration = (Final Speed - Initial Speed) / Time = (20 m/s - 0) / 10 s = 2 m/s².
Correct Answer:
A
— 2 m/s²
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Q. If a car does 2000 J of work in moving a distance of 50 m, what is the average force exerted? (2023)
A.
40 N
B.
50 N
C.
60 N
D.
30 N
Show solution
Solution
Average Force = Work / Distance = 2000 J / 50 m = 40 N
Correct Answer:
A
— 40 N
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Q. If a car does 2000 J of work in moving a distance of 50 m, what is the average force exerted by the car? (2000)
A.
40 N
B.
50 N
C.
60 N
D.
30 N
Show solution
Solution
Average Force (F) = Work done (W) / Distance (d) = 2000 J / 50 m = 40 N.
Correct Answer:
A
— 40 N
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Showing 91 to 120 of 232 (8 Pages)
Physics MCQ & Objective Questions
Physics is a crucial subject for students preparing for school exams and competitive tests in India. Mastering Physics not only helps in understanding the fundamental principles of the universe but also plays a significant role in scoring well in exams. Practicing MCQs and objective questions is an effective way to enhance your exam preparation, as it allows you to identify important questions and solidify your grasp on key concepts.
What You Will Practise Here
Key concepts of Mechanics, including Newton's Laws of Motion
Fundamentals of Thermodynamics and its applications
Electromagnetism, covering electric fields and circuits
Waves and Sound, including properties and types of waves
Optics, focusing on reflection, refraction, and lenses
Modern Physics concepts like Quantum Mechanics and Relativity
Important formulas and definitions essential for problem-solving
Exam Relevance
Physics is a significant part of the curriculum for CBSE, State Boards, NEET, and JEE exams. Students can expect questions that test their understanding of concepts through multiple-choice formats. Common patterns include numerical problems, conceptual questions, and application-based scenarios that require a solid understanding of the subject. Familiarity with Physics MCQ questions will greatly enhance your performance in these examinations.
Common Mistakes Students Make
Misunderstanding the application of formulas in different contexts
Confusing units of measurement, especially in numerical problems
Overlooking the significance of diagrams in understanding concepts
Neglecting to review fundamental principles before attempting complex problems
FAQs
Question: How can I improve my Physics problem-solving skills?Answer: Regular practice of MCQs and reviewing key concepts will help improve your problem-solving skills in Physics.
Question: Are there specific topics I should focus on for competitive exams?Answer: Yes, focus on Mechanics, Thermodynamics, and Electromagnetism, as these areas frequently appear in competitive exams.
Start solving practice MCQs today to test your understanding and boost your confidence in Physics. Remember, consistent practice is key to mastering this subject and achieving your exam goals!
