Physics - MOST IMPORTANT Executive Previous Year Questions

Leaking of electrons in the circuit

Leaking of potential difference in the circuit

Heating effect of current

Cooling effect of current

becomes zero

remains the same

decreases

increases

Pressure waves create vibration in the molecules of the air.

A vibrating body does not produce sound.

When a body vibrates, it creates pressure waves.

A vibrating body produces sound.

The incident white light is reflected.

There is no bending of light.

Different colours bend by different angles.

Different colours bend by the same angle.

The density of the nail is less than that of the plate.

The weight of the nail is higher than that of the plate.

The phenomenon is independent of the densities of the nail and the plate.

The surface area of the plate is larger than the surface area of the nail.

Sulphur is malleable and ductile, whereas aluminium is a good conductor of heat.

Aluminium is malleable and ductile, whereas sulphur is brittle.

Both aluminium and sulphur are lustrous, but only aluminium conducts electricity.

Aluminium is a good conductor of heat and electricity, while sulphur is only a good conductor of heat.

Stethoscope

Coulomb device

Electrostatic device

Electroscope

Only the earth attracts the moon towards itself

The earth and the moon both attract each other

Only the moon attracts the earth towards itself

There is no force of attraction between them

Epiglottis

Larynx

Trachea

Vallecula

$\displaystyle 1$ m

$\displaystyle 1$ cm

$\displaystyle 1$ mm

$\displaystyle 1$ dm

Presbyopia

Hypermetropia

Myopia

Astigmatism

Hydrogen (Protium)

Carbon

Oxygen

Nitrogen

$\displaystyle 10$ km/h

$\displaystyle 20$ km/h

$\displaystyle 30$ km/h

$\displaystyle 40$ km/h

Law of gravitation

Third law of motion

First law of motion

Second law of motion

Plane

Convex

Diverging

Converging