Which of the substance is the lightest one:
Which of the substance is the lightest one:
Aluminum | |
Lead | |
Mercury | |
Copper |
Physics MCQS
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Least count of digital Vernier Calipers is:
Least count of digital Vernier Calipers is:
0.1 mm | |
0.001 mm | |
1 mm | |
0.01 mm |
Specific heat of water is:
Specific heat of water is:
4200 JkgK⁻¹ | |
4200 Jkg⁻¹K⁻¹ | |
4200 Jkg⁻¹ K | |
4200 JKkg⁻¹ |
The value of 'g' at a height on earth's radius above the surface of earth is:
The value of 'g' at a height on earth's radius above the surface of earth is:
1/3 g | |
1/4 g | |
1/2 g | |
2 g |
The value of tan 45° is:
The value of tan 45° is:
0.500 | |
1 | |
0.866 | |
0.707 |
Unit of momentum is:
Unit of momentum is:
kgms⁻² | |
Nm | |
Ns | |
Ns⁻¹ |
Kinetic energy of a body having a mass of 2 kg and speed 5 ms⁻¹ is:
Kinetic energy of a body having a mass of 2 kg and speed 5 ms⁻¹ is:
25 J | |
50 J | |
20 J | |
12.5 J |
The work done will be zero when angle between force and distance is:
The work done will be zero when angle between force and distance is:
45° | |
180° | |
60° | |
90° |
The range of clinical thermometer is:
The range of clinical thermometer is:
25°C – 42°C | |
35°C – 42°C | |
30°C – 42°C | |
20°C – 42°C |
The centripetal force will be:
The centripetal force will be:
20 ms⁻¹ | |
10 ms⁻¹ | |
1 N | |
100 ms⁻¹ |
Heat capacity of 5 kg of water will be:
Heat capacity of 5 kg of water will be:
25000 JK-1 | |
22000 JK-1 | |
23000 JK-1 | |
24000 JK-1 |
In Einstein's mass-energy equation 'C' is the:
In Einstein's mass-energy equation 'C' is the:
Speed of sound | |
Speed of light | |
Speed of earth | |
Speed of electron |
A force of 10 N is making an angle of 30° with the horizontal. Its horizontal component will be:
A force of 10 N is making an angle of 30° with the horizontal. Its horizontal component will be:
7 N | |
8.7 N | |
5 N | |
4 N |
If the velocity of a body becomes double, then its kinetic energy will:
If the velocity of a body becomes double, then its kinetic energy will:
Becomes double | |
Becomes half | |
Remains the same | |
Becomes four times |
The mass of a body:
The mass of a body:
Remains constant | |
Decreases when accelerated | |
Increases when accelerated | |
Decreases when moving with high velocity |
A string is stretched by two equal and opposite forces 10 N each. The tension in the string is:
A string is stretched by two equal and opposite forces 10 N each. The tension in the string is:
10 N | |
20 N | |
5 N | |
Zero |
50 Km h^-1 will be equal to:
50 Km h^-1 will be equal to:
14.88 ms^-1 | |
16.88 ms^-1 | |
15.88 ms^-1 | |
13.88 ms^-1 |
Actual value of latent heat of vaporization of one kg water at 100°C is:
Actual value of latent heat of vaporization of one kg water at 100°C is:
5.26 × 10^6 Jkg^-1 | |
3.26 × 10^6 Jkg^-1 | |
2.26 × 10^6 Jkg^-1 | |
4.26 × 10^6 Jkg^-1 |
A student claimed the diameter of a wire as 1.032 cm using Vernier Callipers. Up to what extent do you agree with it:
A student claimed the diameter of a wire as 1.032 cm using Vernier Callipers. Up to what extent do you agree with it:
1 cm | |
1.03 cm | |
1.0 cm | |
1.032 cm |
Which of the following materials has large value of temperature coefficient of linear expansion:
Which of the following materials has large value of temperature coefficient of linear expansion:
Brass | |
Steel | |
Aluminium | |
Gold |