Courses » JAMB » JAMB Physics » Physics Exam Topics » 2016 - Questions and Answers

2016 - JAMB Physics Past Questions and Answers - page 2

11

A wire of length 10m is cooled from 50oC to 10oC. Calculate the decrease in the length of the wire. [c = 3 x 10-5K-1]

A
1.8 x 10-4m
B
1.5 x 10-4m
C
1.5 x 10-3m
D
1.8 x 10-3m
Ask EduPadi AI...
12

When an athlete perspires after running, he loses heat through

A
Evaporation
B
Conduction
C
Radiation
D
Convection
Ask EduPadi AI...
13

The rate of cooling of a heated quantity of liquid in an enclosure depends on the

A
Pressure of the liquid
B
Temperature in the enclosure
C
Pressure of the enclosure
D
Volume of the liquid
Ask EduPadi AI...
14

The heat required to raise a mass of a substance through 1K is known as

A
Specific heat capacity
B
Specific latent heat of vaporization
C
Capacity latent heat of fusion
D
Heat capacity
Ask EduPadi AI...
15

A boy in a barber's shop sits between two parallel mirrors. The number of images observed by him will be

A
Infinite
B
Ten
C
Eight
D
Forty
Ask EduPadi AI...
16

Semiconductor is a class of solid whose conductivity increases with an increase in

A
Pressure
B
Temperature
C
Current
D
Voltage
Ask EduPadi AI...
17

Which of the following statements is NOT correct?

A
Brownian motion is an evidence of the particle nature of matter
B
Atoms combine to form molecules
C
The molecules of matter are in constant motion
D
matter is made up of molecules
Ask EduPadi AI...
18

A dynamo primarily converts

A
Mechanical energy into electrical energy
B
Electrical energy into kinetic energy
C
Potential energy into kinetic energy
D
Kinetic energy into potential energy
Ask EduPadi AI...
19

A saturated vapour pressure of a liquid increases when the

A
Temperature of a liquid increases
B
Volume of the liquid increases
C
Volume of the liquid decreases
D
Temperature of the liquid decreases
Ask EduPadi AI...
20

What force has to be exerted on a mass 60kg to give it an acceleration of 10ms-2 vertically upwards?

[g = 10ms-2

A
300N
B
600N
C
1200N
D
400N
Ask EduPadi AI...
Please share this, thanks: