SSC GENERAL AWARENESS-4

Question 1:

Heat stored in water vapour is -

Latent heat

Specific heat

Absolute heat

Relative heat

Question 2:

Which one of the following is not a property of the X-rays?

They are not deflected by magnetic fields.

They have a high penetration length in the matter.

They are deflected by electric fields.

Their wavelength is much smaller than that of visible light.

Question 3:

The mass of the Earth is-

6 x 10-²⁴kg

6 x 10-²³kg

6 x 10²⁴kg

6 x 10²³kg

Question 4:

Basic scientific principle behind a nuclear reactor is

Uncontrolled nuclear fission

Controlled nuclear fission

Nuclear fusion

Controlled nuclear fusion

Question 5:

One Nanometer is equal to ?

$10^{-9}$ m

$10^{-6}$ m

$10^{10}$ m

$10^{-3}$ m

Question 6:

Which of the following properties is not possible in the case of X-rays?

Interference

Diffraction

Polarisation

All of the above

Question 7:

In daylight the human eye is most sensitive to which color?

Green

Red

Blue

Orange

Question 8:

Which of the following is not a fundamental unit?

Meter

Second

Gram

Volt

Question 9:

In the absence of an ozone layer, Which rays will enter the atmosphere?

Infrared

Visible

Ultraviolet

X-rays

Question 10:

Which of the following does not have any effect on velocity of sound?

Pressure

Temperature

Humidity

Density