Engineering & Architecture Admissions play a crucial role in shaping the future of aspiring students in India. With the increasing competition in entrance exams, mastering MCQs and objective questions is essential for effective exam preparation. Practicing these types of questions not only enhances concept clarity but also boosts confidence, helping students score better in their exams.
What You Will Practise Here
Key concepts in Engineering Mathematics
Fundamentals of Physics relevant to architecture and engineering
Important definitions and terminologies in engineering disciplines
Essential formulas for solving objective questions
Diagrams and illustrations for better understanding
Conceptual theories related to structural engineering
Analysis of previous years' important questions
Exam Relevance
The topics covered under Engineering & Architecture Admissions are highly relevant for various examinations such as CBSE, State Boards, NEET, and JEE. Students can expect to encounter MCQs that test their understanding of core concepts, application of formulas, and analytical skills. Common question patterns include multiple-choice questions that require selecting the correct answer from given options, as well as assertion-reason type questions that assess deeper comprehension.
Common Mistakes Students Make
Misinterpreting the question stem, leading to incorrect answers.
Overlooking units in numerical problems, which can change the outcome.
Confusing similar concepts or terms, especially in definitions.
Neglecting to review diagrams, which are often crucial for solving problems.
Rushing through practice questions without understanding the underlying concepts.
FAQs
Question: What are the best ways to prepare for Engineering & Architecture Admissions MCQs? Answer: Regular practice of objective questions, reviewing key concepts, and taking mock tests can significantly enhance your preparation.
Question: How can I improve my accuracy in solving MCQs? Answer: Focus on understanding the concepts thoroughly, practice regularly, and learn to eliminate incorrect options to improve accuracy.
Start your journey towards success by solving practice MCQs today! Test your understanding and strengthen your knowledge in Engineering & Architecture Admissions to excel in your exams.
Q. In the photoelectric effect, if the frequency of incident light is doubled, what happens to the kinetic energy of the emitted electrons?
A.
It doubles
B.
It quadruples
C.
It remains the same
D.
It becomes zero
Solution
The kinetic energy of the emitted electrons is given by KE = hf - φ. If the frequency is doubled, the kinetic energy increases by a factor of four, since KE is proportional to the frequency.
Q. In the photoelectric effect, the kinetic energy of the emitted electrons depends on which of the following?
A.
Frequency of the incident light
B.
Intensity of the incident light
C.
Wavelength of the incident light
D.
All of the above
Solution
The kinetic energy of the emitted electrons in the photoelectric effect depends on the frequency of the incident light, as per Einstein's photoelectric equation.
Correct Answer:
A
— Frequency of the incident light
Q. In the photoelectric effect, what happens to the emitted electrons if the frequency of the incident light is just at the threshold frequency?
A.
They are emitted with maximum kinetic energy
B.
They are emitted with zero kinetic energy
C.
They are not emitted
D.
They are emitted with negative kinetic energy
Solution
At the threshold frequency, the energy of the incident photons is equal to the work function, resulting in emitted electrons having zero kinetic energy.
Correct Answer:
B
— They are emitted with zero kinetic energy
Q. In the photoelectric effect, what happens to the kinetic energy of emitted electrons if the intensity of light is increased while keeping frequency constant?
A.
Increases
B.
Decreases
C.
Remains the same
D.
Becomes zero
Solution
The kinetic energy of emitted electrons remains the same as it depends on the frequency, not intensity.
Q. In the photoelectric effect, what happens to the kinetic energy of the emitted electrons if the frequency of the incident light is increased?
A.
It decreases
B.
It remains constant
C.
It increases
D.
It becomes negative
Solution
The kinetic energy of the emitted electrons increases with the frequency of the incident light, as given by the equation KE = hf - φ, where φ is the work function.
Q. In the photoelectric effect, what is the effect of increasing the wavelength of incident light?
A.
Increases the kinetic energy of emitted electrons
B.
Decreases the kinetic energy of emitted electrons
C.
Has no effect on the photoelectric effect
D.
Increases the number of emitted electrons
Solution
Increasing the wavelength decreases the frequency of the light, which reduces the energy of the incident photons, thus decreasing the kinetic energy of emitted electrons.
Correct Answer:
B
— Decreases the kinetic energy of emitted electrons
Q. In the photoelectric effect, which of the following factors does NOT affect the photoelectric current?
A.
Intensity of light
B.
Frequency of light
C.
Surface area of the metal
D.
Type of metal
Solution
The frequency of light must be above a certain threshold to emit electrons, but once that is achieved, the photoelectric current depends on the intensity, not the frequency.
