Neco Physics 2002 Past Questions and Answers

Question 11:

• NECO 2002

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 12:

• NECO 2002

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 13:

• NECO 2002

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.

Question 14:

• NECO 2002

A body of mass M₁ moving with a velocity U collides with a stationary body of mass M₂ and both move with a common velocity V. If linear momentum is conserved, which expression correctly represents V?

A. M₁ + M₂ ÷ M₁U
B. M₂U ÷ M₁ – M₂
C. M₁U ÷ M₁ – M₂
D. M₁U ÷ M₁+ M₂
E. M₂U ÷ M₁ + M₂

Question 15:

• NECO 2002

According to the Kinetic Theory, what does NOT occur when the temperature of a constant volume of gas is increased?

A. A decrease in the mean speed kinetic energy of the molecules
B. An increase in the mean speed of the molecules
C. An increase in the momentum change at each collision.
D. An increase in the number of collisions per second
E. An increase in the pressure exerted by the gas.