Physics Past Questions and Answers

Which process will increase the rate of oscillation of a pendulum?

A Decreasing the amplitude of oscillation of the pendulum
B Decreasing the length of the pendulum
C Decreasing the mass of the pendulum
D Increasing the length of the pendulum
E Increasing the mass of the pendulum.

Question 4422:

When a current of 1 .0A flows in an electrolyte for 3.0h, a mass of 1 .0g is deposited. What mass will be deposited in 10.0h if a current of 3.0A flows through the electrolyte?

A 30.0g
B 24.0g
C 10.0g
D 6.0g
E 0.4g

Question 4423:

An object weighing 0.60N is hung on a spiral spring and caused it to extend by 6.0cm. The object is removed and a black of wood replacing it causes the spring to extend by 10.0cm. What is the weight of the block of wood?

A 0.10N
B 0.36N
C 0.80N
D 1.00N
E 3.60N

Question 4424:

A body is uniformly accelerated from rest. Which of the following quantities vary/varies linearly with the square of the time?

I. Displacement
II. Velocity
III. Momentum

A I only
B II only
C III only
D I and II only
E II and Ill only

Question 4425:

A short response time is obtained in a liquid-in-glass thermometer when the ____________

A Bulb is large and thick-walled
B Bulb is small and thick-walled
C Stem is long and thin
D Liquid is of high density and the bulb is large
E Bulb is thin-walled and the liquid is a good conductor of heat.