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JAMB Physics Past Questions & Answers - Page 141

701.

The amount of heat required to raise the temperature of a body is

A.

Thermal energy

B.

thermal conduction

C.

heat loss

D.

specific heat capacity

E.

thermal capacity

Correct answer is E

No explanation has been provided for this answer.

702.

A concave lens of focal length 20cm form an image 1/2 the size of the object. The object distance is

A.

100cm

B.

100q

C.

60cm

D.

607

E.

None of the above

Correct answer is C

No explanation has been provided for this answer.

703.

In a radioactive series

23592L23592M23190N23191ϕ

The particles emitted are respectively

A.

β,β,α

B.

α,γ,β

C.

γ,α,β

D.

α,α,β

E.

β,α,β

Correct answer is C

No explanation has been provided for this answer.

704.

Which of the following may be used to determine the relative humidity in a physics laboratory

I. Manometer
II. Wet-and-Dry Bulb Hygrometer
III. Hair Hygrometer
IV. A Hydrometer

A.

I Only

B.

II and III Only

C.

II Only

D.

III Only

E.

II,III and IV Only

Correct answer is B

No explanation has been provided for this answer.

705.

A simple pendulum, 0.6m long, has a period of 1.5s. What is the period of a similar pendulum of 0.4m length in the same location?

A.

1.523s

B.

1.532s

C.

2.25s

D.

1.00s

E.

2.00s

Correct answer is A

No explanation has been provided for this answer.