Jamb Physics Past Questions For Year 2015
Question 6
In an elastic collision
I. Energy is conserved
II. Energy is decreased
III. Energy is increased
IV. Linear momentum conserved
- A. Energy is conserved
- B. I only
- C. I and IV only
- D. II only
- E. III only
Question 7
A stroboscope can be used to make the wave appear …………..
- A. Stationary
- B. In motion
- C. Dipper
- D. Ripple
Question 8
What is the inductance (L) of an inductor whose reactance is 1Ω at 50/ π hertz (H)?
- A. 100 H
- B. 0.01H
- C. 10H
- D. 1H
Question 9
In which of the following device is the expansion of solid not required?
I. Simple pendulum
II. Fire alarms
III. Thermostat
IV. Bimetallic thermometer
- A. Simple pendulum
- B. III only
- C. II & III only
- D. I only
- E. II, III & IV only
Question 10
A vector quantity can only be completely described when ……… and …………are mentioned.
- A. Magnitude and motion
- B. Magnitude and direction
- C. Distance and specified displacement
- D. Moment and momentum
