Mechanics Quiz

Which of the following terms is not used in the field of physics? Which of the following terms is not used in the field of physics?

2 Mark(s)

Latent heat Latent heat
Stock value Stock value

108 is formed by? 108 is formed by?

2 Mark(s)

50+50 50+50
10x50 10x50
70+30 70+30
70+50 70+50

The absorption of ink by blotting paper involves: The absorption of ink by blotting paper involves:

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Viscosity of ink Viscosity of ink
Capillary action phenomenon Capillary action phenomenon

Radiocarbon is produced in the atmosphere as a result of Radiocarbon is produced in the atmosphere as a result of

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Collision between fast neutrons and nitrogen nuclei present in the atmosphere.
Action of ultraviolet light from the sun on atmospheric oxygen.

107 is formed by? 107 is formed by?

2 Mark(s)

50+50 50+50
10x50 10x50
70+30 70+30
70+50 70+50

Rectifiers are used to convert: Rectifiers are used to convert:

2 Mark(s)

Direct current to Alternating current Direct current to Alternating current
Alternating current to Direct current Alternating current to Direct current

It is easier to roll a stone up a sloping road than to lift it vertical upwards because It is easier to roll a stone up a sloping road than to lift it vertical upwards because

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Work done in rolling is more than in lifting.
Work done in lifting the stone is equal to rolling it.

Planets do not twinkle because Planets do not twinkle because

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They emit light of a constant intensity They emit light of a constant intensity
Their distance from the earth does not change with time

102 is formed by? 102 is formed by?

2 Mark(s)

50+50 50+50
10x50 10x50
70+30 70+30
70+50 70+50

100 is formed by? 100 is formed by?

2 Mark(s)

50+50 50+50
10x50 10x50
70+30 70+30
70+50 70+50

105 is formed by? 105 is formed by?

2 Mark(s)

50+50 50+50
10x50 10x50
70+30 70+30
70+50 70+50

Nuclear sizes are expressed in a unit named Nuclear sizes are expressed in a unit named

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Fermi Fermi
Angstrom Angstrom

Pick out the scalar quantity Pick out the scalar quantity

2 Mark(s)

Force Force
Pressure Pressure

Light year is a unit of Light year is a unit of

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Time Time
Distance Distance

Pa(Pascal) is the unit for Pa(Pascal) is the unit for

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Thrust Thrust
Pressure Pressure

Metals are good conductors of electricity because: Metals are good conductors of electricity because:

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They contain free electrons. They contain free electrons.
The atoms are lightly packed. The atoms are lightly packed.

Mirage is due to: Mirage is due to:

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Unequal heating of different parts of the atmosphere
Magnetic disturbances in the atmosphere

104 is formed by? 104 is formed by?

2 Mark(s)

50+50 50+50
10x50 10x50
70+30 70+30
70+50 70+50

101 is formed by? 101 is formed by?

2 Mark(s)

50+50 50+50
10x50 10x50
70+30 70+30
70+50 70+50

103 is formed by? 103 is formed by?

2 Mark(s)

50+50 50+50
10x50 10x50
70+30 70+30
70+50 70+50

106 is formed by? 106 is formed by?

2 Mark(s)

50+50 50+50
10x50 10x50
70+30 70+30
70+50 70+50

Light from the Sun reaches us in nearly Light from the Sun reaches us in nearly

2 Mark(s)

2 minutes 2 minutes
4 minutes 4 minutes

Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to: Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to:

2 Mark(s)

The heating effect of current alone The heating effect of current alone
Hysteresis loss alone Hysteresis loss alone

Stars appears to move from east to west because Stars appears to move from east to west because

2 Mark(s)

All stars move from east to west All stars move from east to west
The earth rotates from west to east The earth rotates from west to east

Siphon will fail to work if: Siphon will fail to work if:

2 Mark(s)

The densities of the liquid in the two vessels are equal.
The level of the liquid in the two vessels are at the same height.

Mechanics Quiz : Question 1 of 25