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Practice General science Common Questions and Answers

Alternating current is converted into direct current by a –
Which among the following is the fundamental quantity?
If the phase difference between two points is 120° for a wave with velocity of 360 m/ and frequency 500 Hz, then path difference between the two points is...
If no external force acts on a system of bodies, the total linear momentum of the system of bodies remains constant. Which law states this?
The force which opposes the relative motion between different layers of liquid or gases is called –
Who among the following developed the technology of under-ground nuclear explosion?
A man inside an artificial satellite feels weightlessness because the force of attraction due to earth is –
With the increase of pressure, the boiling point of any substance –
A bottle of sodalime is grasped by the neck and swung briskly in a vertical circle, Near which portion of the bottle do the bubbles collect?
When a detergent is added to pure water, its surface tension –
The final image in a simple microscope is –
A bomb at rest explodes into a large number of tiny fragments. The total momentum of all the fragments –
Speed of sound in air is unaffected by change in :
Who defined the law of gravitation?
What principle/law explains the working of the hydraulic brakes in automobiles?
The substance which conducts current in the solid state is –
The surface temperature of the Sun is nearly -
According to the theory of relativity, which of the following al-ways remains constant?
Electrostatic precipitator is used to control —
Metals are good conductors of electricity because –
The absolute zero is a temperature at which -
An aircraft can perform aerobatic manoeuvres in a vertical loop because of-
To measure the speed of an approaching car a police officer shines –
Lakes freeze in cold countries in winter, leaving the water underneath at –
Which of the following is most elastic?
The instrument used to measure the speed of the wind is –
Light from the Sun reaches us in nearly
A concave lens always forms an image which is –
One can distinguish a telescope from a microscope by observing –
In a nuclear reactor, one of the following is used as a fuel.
Suns heat reaches us by –
A colour-blind person cannot –
If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same -
If a metal can be drawn into wires relatively easily it is called:
At what temperature a body will not radiate any heat energy?
Stereo was invented by .
The density of the liquid when heated
Electrostatic precipitator is used to control the pollution of –
The device which converts AC to DC is
The radiation initially produced in fluorescent tube is –

Practice General science Common Questions and Answers

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Practice General science Common Questions and Answers

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