Physics Quiz

Radiocarbon is produced in the atmosphere as a result of

2 Mark(s)

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

Nuclear sizes are expressed in a unit named

2 Mark(s)

Fermi
Angstrom

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
Hysteresis loss alone

Mirage is due to:

2 Mark(s)

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

Light year is a unit of

2 Mark(s)

Time
Distance

Stars appears to move from east to west because

2 Mark(s)

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

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.

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

2 Mark(s)

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

Metals are good conductors of electricity because:

2 Mark(s)

They contain free electrons.
The atoms are lightly packed.

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

2 Mark(s)

Latent heat
Stock value

The absorption of ink by blotting paper involves:

2 Mark(s)

Viscosity of ink
Capillary action phenomenon

100 is formed by?

2 Mark(s)

50+50
10x50
70+30
70+50

Pa(Pascal) is the unit for

2 Mark(s)

Thrust
Pressure

Light from the Sun reaches us in nearly

2 Mark(s)

2 minutes
4 minutes

Pick out the scalar quantity

2 Mark(s)

Force
Pressure

Planets do not twinkle because

2 Mark(s)

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

101 is formed by?

2 Mark(s)

50+50
10x50
70+30
70+50

Rectifiers are used to convert:

2 Mark(s)

Direct current to Alternating current
Alternating current to Direct current

Physics Quiz : Question 1 of 18