Undergraduate

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Q. What is the length of an arc of a circle with a radius of 10 cm and a central angle of 60 degrees? (Use π = 3.14) (2023)
  • A. 10.47 cm
  • B. 15.71 cm
  • C. 20.94 cm
  • D. 25.13 cm
Q. What is the length of an arc of a circle with a radius of 10 cm and a central angle of 60 degrees? (2021) 2021
  • A. 10.47 cm
  • B. 15.71 cm
  • C. 20.94 cm
  • D. 25.13 cm
Q. What is the length of an arc of a circle with a radius of 4 cm and a central angle of 90 degrees? (2021)
  • A. 2π cm
  • B. 4π cm
  • C. π cm
  • D. 8 cm
Q. What is the length of an arc of a circle with a radius of 5 cm and a central angle of 60 degrees? (2020)
  • A. 5.24 cm
  • B. 3.14 cm
  • C. 5.00 cm
  • D. 10.47 cm
Q. What is the length of an arc of a circle with a radius of 6 cm and a central angle of 60 degrees? (Use π = 3.14) (2020)
  • A. 6.28 cm
  • B. 3.14 cm
  • C. 12.56 cm
  • D. 9.42 cm
Q. What is the length of an arc of a circle with radius 5 cm and angle 60 degrees? (2020)
  • A. 5.24 cm
  • B. 3.14 cm
  • C. 5.00 cm
  • D. 6.00 cm
Q. What is the length of the diagonal of a cuboid with dimensions 2, 3, and 6? (2022)
  • A. √49
  • B. √45
  • C. √36
  • D. √50
Q. What is the length of the diagonal of a rectangle with vertices at (0, 0), (0, 3), (4, 0), and (4, 3)? (2022)
  • A. 5
  • B. 6
  • C. 7
  • D. 8
Q. What is the length of the diagonal of a rectangle with vertices at (0, 0), (4, 0), (4, 3), and (0, 3)? (2021)
  • A. 5
  • B. 6
  • C. 7
  • D. 8
Q. What is the length of the diagonal of a rectangle with vertices at (1, 1), (1, 4), (5, 1), and (5, 4)? (2021)
  • A. 4
  • B. 5
  • C. 6
  • D. 7
Q. What is the magnetic field at a distance r from a long straight wire carrying current I? (2020)
  • A. μ₀I/(2πr)
  • B. μ₀I/(4πr)
  • C. μ₀I/(πr)
  • D. μ₀I/(8πr)
Q. What is the magnetic field at the center of a circular loop carrying current? (2022)
  • A. Zero
  • B. Directly proportional to current
  • C. Inversely proportional to radius
  • D. Both A and B
Q. What is the magnetic field due to a straight current-carrying conductor at a distance 'r' from it? (2020)
  • A. μ₀I/2πr
  • B. μ₀I/4πr²
  • C. μ₀I/2r
  • D. μ₀I/πr
Q. What is the magnetic field inside a long solenoid when it carries a current? (2023)
  • A. Zero
  • B. Uniform and directed along the axis
  • C. Varies with distance
  • D. Depends on the temperature
Q. What is the magnetic field inside a long solenoid when the current is flowing through it? (2023)
  • A. Zero
  • B. Uniform and parallel
  • C. Concentric circles
  • D. Radial
Q. What is the magnetic field inside a long solenoid when the current is steady? (2023)
  • A. Zero
  • B. Uniform and parallel to the axis
  • C. Varies with distance
  • D. Depends on the temperature
Q. What is the magnetic field inside a long solenoid? (2023)
  • A. Zero
  • B. Uniform and parallel
  • C. Concentric circles
  • D. Decreasing
Q. What is the magnetic field inside a toroidal solenoid? (2023)
  • A. Zero
  • B. Uniform and non-zero
  • C. Varies with position
  • D. Depends on the current only
Q. What is the magnetic field strength at a distance 'r' from a long straight conductor carrying current 'I'? (2020)
  • A. μ₀I/2πr
  • B. μ₀I/4πr
  • C. 2μ₀I/πr
  • D. μ₀I/πr
Q. What is the magnetic moment of a circular loop of radius r carrying a current I? (2021)
  • A. πr²I
  • B. 2πrI
  • C. Ir²
  • D. πrI
Q. What is the magnification produced by a concave mirror if the object distance is 10 cm and the image distance is 5 cm? (2019)
  • A. 0.5
  • B. 1
  • C. 2
  • D. 3
Q. What is the magnification produced by a concave mirror when the object is placed at the focus? (2019)
  • A. 1
  • B. 0
  • C. Infinity
  • D. Less than 1
Q. What is the main advantage of asexual reproduction? (2023)
  • A. Genetic diversity
  • B. Faster population growth
  • C. Requires two parents
  • D. Involves gametes
Q. What is the main advantage of sexual reproduction? (2023)
  • A. Faster reproduction
  • B. Genetic variation
  • C. Less energy required
  • D. No need for a mate
Q. What is the main advantage of using biopesticides? (2022)
  • A. They are more effective than chemical pesticides
  • B. They are environmentally friendly
  • C. They are cheaper to produce
  • D. They have a longer shelf life
Q. What is the main advantage of using CRISPR technology in genetic engineering? (2021)
  • A. High precision
  • B. Low cost
  • C. Speed of modification
  • D. All of the above
Q. What is the main advantage of using genetically modified organisms (GMOs) in agriculture? (2021)
  • A. Higher nutritional value
  • B. Increased resistance to diseases
  • C. Lower production costs
  • D. All of the above
Q. What is the main advantage of using genetically modified organisms (GMOs) in food production? (2020)
  • A. Higher prices
  • B. Longer shelf life
  • C. Increased labor costs
  • D. More complex farming techniques
Q. What is the main advantage of using genetically modified organisms in food production? (2021)
  • A. Longer shelf life
  • B. Higher nutritional value
  • C. Resistance to pests and diseases
  • D. All of the above
Q. What is the main advantage of using hormonal contraceptives? (2023)
  • A. They are 100% effective
  • B. They can regulate menstrual cycles
  • C. They are inexpensive
  • D. They require no medical consultation
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