Static GK Test: Physics, Test-2

These tests are a check for your learning and are meant to serve as tools for assessment.
The test is designed to check your Static General Knowledge and provide you an assessment of the same.
Each question is followed by 4 options. Select the most appropriate option for the question.

Static GK Test: Physics, Test-2

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Question 1

Who among the following developed the technology of underground nuclear explosion?

A	Dr.HomiJ. Bhabha
B	Dr.Vikram Sarabhai
C	Dr.Raja Ramanna
D	Dr. P. K. Iyengar

Question 1 Explanation:

Question 2

Why the needle of iron swims on water surface when it is kept gently?

A	It will remain under the water, when it will displace more water than its weight
B	the density of needle is less than that of water
C	due to surface tension
D	due to its shape

Question 3

Surface tension in a liquid is due to:

A	Adhesive force between molecules
B	Cohesive force between molecules force between molecules.
C	Gravitational force between molecules
D	Electrical

Question 4

The velocity of heat radiation in vacuum is

A	Equal to that of light
B	Less than that of light
C	Greater than that of light
D	Equal to that of sound

Question 5

Which of the following is used for regulated electric supply?

A	Zener diode
B	Junction diode
C	Gun diode
D	Tunnel diode

Question 6

What apparatus is used to locate a submerged object?

A	Radar
B	Sonar
C	Quasar
D	Pulsar

Question 7

The term 'equinox' means

A	The path which the Earth takes around the Sun
B	The axis of the Earth around which it rotates
C	When the day and night are of equal duration
D	The time when the Sun seems to be going round and round in the sky in the Arctic but does not go below the horizon

Question 8

Electrostatic precipitator is used to control the pollution of

A	air
B	water
C	noise
D	thermal

Question 9

In the atmosphere ultraviolet rays are absorbed by

A	Oxygen
B	Nitrogen
C	Ozone
D	Helium

Question 10

Dynamo is a device for converting

A	Heat energy into electrical energy
B	Mechanical energy into electrical energy
C	Magnetic energy into electrical energy
D	Chemical energy into electrical energy