Physics Test-1
Suggested by Dr. Sudhangshu Chakraborty, Assistant Professor, Asansol Engineering College
Answer any 15 questions 15x2=30
Time-1Hr
1. If the error in the measurement of radius is 3%, what is error in measurement of volume of
sphere?
2. How does the kinetic energy of an object vary on increasing its velocity by 10%?
3. Can a particle have varying speed and constant velocity together?
4. A particle of mass 100 g has an initial velocity m/s and attains final velocity
m/s in 10 sec. Calculate the force acts on it.
5. A cricket ball of mass 150 g has an initial velocity m/s and final velocity
⃗v =−(3 ^i +4 ^j) m/s after being hit. Calculate the change in momentum.
6. If the find the angle between .
7. Give the conditions for total internal reflection.
8. An object is 23 cm from a lens and the magnification produced by the lens is 3. Find the image
location.
9. Show that the focal length of plane mirror is infinity.
10. The equation of displacement of particle performing SHM is X = 0.25 sin (200 t). Find the
maximum velocity.
11. If the length of the simple pendulum is increased by 44%, then what is the change in time
period of pendulum?
12. Write the condition for SHM.
13. A linear harmonic oscillator of force constant 2 x 106 N/m and amplitude 0.01 m has a total
mechanical energy of 100 J. Find its maximum potential energy.
14. If velocity of a body is half the maximum velocity. Then what is the distance from the mean
position?
15. Explain how does the resistivity of a conductor depend upon number density ‘n’ of free
electrons?
16. Explain, with help of graph, the variation of conductivity with the temperature for a metallic
conductor.
17. An electron is moving in a circular path of radius 5.1 10–11 m at a frequency of 6.8 1015
revolution/sec. Find the equivalent current.
18. A conductor carries a current of 1A produces a magnetic field of 0.2 T. Find the length of the
conductor if the force on it is 3N.
19. If the magnetic field is given by 10T. Find its value in CGS.
20. What is difference between force acting on charged particle in magnetic field and in electric
field?
Suggested by Dr. Sudhangshu Chakraborty, Assistant Professor, Asansol Engineering College
Answer any 15 questions 15x2=30
Time-1Hr
1. If the error in the measurement of radius is 3%, what is error in measurement of volume of
sphere?
2. How does the kinetic energy of an object vary on increasing its velocity by 10%?
3. Can a particle have varying speed and constant velocity together?
4. A particle of mass 100 g has an initial velocity m/s and attains final velocity
m/s in 10 sec. Calculate the force acts on it.
5. A cricket ball of mass 150 g has an initial velocity m/s and final velocity
⃗v =−(3 ^i +4 ^j) m/s after being hit. Calculate the change in momentum.
6. If the find the angle between .
7. Give the conditions for total internal reflection.
8. An object is 23 cm from a lens and the magnification produced by the lens is 3. Find the image
location.
9. Show that the focal length of plane mirror is infinity.
10. The equation of displacement of particle performing SHM is X = 0.25 sin (200 t). Find the
maximum velocity.
11. If the length of the simple pendulum is increased by 44%, then what is the change in time
period of pendulum?
12. Write the condition for SHM.
13. A linear harmonic oscillator of force constant 2 x 106 N/m and amplitude 0.01 m has a total
mechanical energy of 100 J. Find its maximum potential energy.
14. If velocity of a body is half the maximum velocity. Then what is the distance from the mean
position?
15. Explain how does the resistivity of a conductor depend upon number density ‘n’ of free
electrons?
16. Explain, with help of graph, the variation of conductivity with the temperature for a metallic
conductor.
17. An electron is moving in a circular path of radius 5.1 10–11 m at a frequency of 6.8 1015
revolution/sec. Find the equivalent current.
18. A conductor carries a current of 1A produces a magnetic field of 0.2 T. Find the length of the
conductor if the force on it is 3N.
19. If the magnetic field is given by 10T. Find its value in CGS.
20. What is difference between force acting on charged particle in magnetic field and in electric
field?
