Physics Gk interview questions – page 2

Inertia depends upon

1. Mass of the body
2. Shape of the body
3. Velocity of the body
4. Acceleration of the body

The rate of change of velocity is

1. Acceleration
2. Speed
3. Momentum
4. Displacement

The non-metal which is in liquid state at room temperature is

1. Chlorine
2. Bromine
3. Mercury
4. Iodine

Atom is _____

1. Positively charged
2. Neutral
3. Negatively charged
4. None of the above

Magnet was discovered in the place of _____

1. America
2. Africa
3. Europe
4. Magnesia

Atomic number and mass number of sodium are 11 and 23 respectively. Number of neutrons in sodium is

1. 11
2. 12
3. 13
4. 23

The vibrations in stretched string do not depend on

1. Volume
2. Linear density
3. Tension
4. Vibrating length

Which of the following power plants has the least cost?

1. Gas turbine
2. Nuclear
3. Thermal
4. Hydro-electric

Waves produced on the surface of water is

1. Stationary waves
2. Electromagnetic wave
3. Transverse
4. Longitudinal

In longitudinal waves, the particles vibrate in a _____ direction of propagation.

1. Curved
2. Parallel as well as perpendicular
3. Perpendicular
4. Parallel

When a biomass is decomposed in the absence of oxygen, the gas liberated is ___

1. Methane
2. L.P.G
3. Ethane
4. CO2

The velocity of sound is maximum in

1. Air
2. Atmosphere
3. Water
4. Iron nails (solid)

In a single movable pulley, the mechanical advantage is equal to

1. 1
2. 2
3. 3
4. 4

Electromagnetic induction was discovered by _____

1. Ampere
2. Fleming
3. Oersted
4. Michael Faraday

Heat energy is measured in

1. Joule
2. Celsius
3. Meter
4. Kelvin

Temperature is measured in

1. Meter
2. Kelvin
3. Watt
4. Joule

The efficiency of a jet engine is ___

1. 15%
2. 30%
3. 35%
4. 45%

The dielectric constant of metals is

1. 0
2. 1
3. Infinite
4. Greater than 1

Temperature of the substance denotes ___ energy of its particles.

1. Total
2. Average kinetic
3. Gravitational
4. Potential

The part of electromagnetic waves that the human eye can detect is called

1. Visible light
2. X rays
3. Infrared rays
4. Ultra violet rays

The geometric centre of the lens is called

1. Principal axis
2. Optic centre
3. Radius of curvature
4. Centre of curvature

The binding force between the layers in graphite is

1. Coordinate bond
2. Ionic bond
3. Covalent bond
4. Vander Waal’s force

In a prism, the angle between the incident ray and the emergent ray is called

1. Angle of incidence
2. Angle of refraction
3. Angle of deviation
4. Angle of prism

Which of the following is not the use of graphite?

1. used for cutting glass, marbles and rocks
2. used as a lubricant
3. used as a moderator in nuclear reactor
4. used in making pencil lead

____ is used as thermometric liquid.

1. Mercury
2. Benzene
3. Kerosene
4. Water

An  example for oscillatory motion is

1. Motion of a pendulum of a clock
2. A bullet fired from a rifle
3. A spinning top
4. Motion of a football

An example for scalar quantity is

1. Acceleration
2. Displacement
3. Momentum
4. Speed

The motion of a bullet fired from a rifle is

1. Rectilinear motion
2. Vibration motion
3. Circular motion
4. Rotational motion

An example for vector quantity is

1. Temperature
2. Momentum
3. Distance
4. Volume

Normal temperature of human body is

1. 37 K
2. 90 K
3. 100°C
4. 37°C