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Veto q&a 7 Month22 (1)

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@physics<br />

2018<br />

June<br />

Q<br />

Study of high temperature?<br />

Q<br />

Proposer of Quantum Optics?<br />

A. pyrology<br />

A. Dr. Sudarshan<br />

Q<br />

Q<br />

Q<br />

Radio signals travel at a speed of?<br />

A. 3 x 10 8 m/s<br />

At terminal velocity, the acceleration of body is?<br />

A. Zero<br />

Ratio of change in dimension to the original dimension?<br />

A. Strain<br />

Q<br />

Q<br />

Q<br />

Maximum displacement of a particle from its mean<br />

position?<br />

A. <strong>amp</strong>litude<br />

The law of lever was proposed by<br />

A. archimededs<br />

A mixture of Argon and Mercury gases are filled in<br />

Q<br />

Force that separates cream from milk?<br />

A. fluroscent l<strong>amp</strong>s<br />

Q<br />

Q<br />

Q<br />

Q<br />

Q<br />

Q<br />

A. centrifugal force<br />

Why do we feel slippery on polished surface?<br />

A. Lack of friction<br />

The term ‘quark’ was coined by?<br />

A. Murray Gellman<br />

A super fluid phase formed by fermionic particles?<br />

A. fermionic condensate<br />

The area of Force-displacement graph gives?<br />

A. work done<br />

How many erg makes 1 Joule?<br />

A. 10 7 erg<br />

Electric device that converts mechanical energy into<br />

electrical energy?<br />

A. Generator<br />

Q<br />

Q<br />

Q<br />

Q<br />

Q<br />

Q<br />

Super conductivity was discovered by<br />

A. kamerlingh onnes<br />

Some organisms can detect magnetic field called<br />

A. Magnetoception<br />

Hydrogen bomb is based on the principle<br />

A. nuclear fusion<br />

A very large force acting for a short period of time is<br />

called<br />

A. impulsive force<br />

Periscope is a device works on the priciple of<br />

A. reflection and refraction<br />

Law of electrolysis was put forward by<br />

A. Michel faraday<br />

Q<br />

Purpose of Choke in the tube light?<br />

Q<br />

Who is the father of bifocal lens<br />

Q<br />

A. to increase the voltage momentarily<br />

Life span of filament l<strong>amp</strong>?<br />

A. 1000 hrs<br />

Q<br />

A. Benjamin franklin<br />

Photometry is the branch deals with the measurement<br />

of light emitted by the<br />

Q<br />

Negative Electrode in dry cell?<br />

A. objects<br />

Q<br />

Q<br />

A. cathode<br />

Colour of Earth wire in domestic circuits?<br />

A. Green<br />

Voltage of a torch cell?<br />

Q<br />

Q<br />

Which is the fourth largest source of electricity in India<br />

A. nuclear power<br />

Technique using a powerful magnetic field to diagnose<br />

and treat diseases<br />

Q<br />

A. 1.5 V<br />

L<strong>amp</strong> having highest energy efficiency?<br />

A. Mri (Magnetic resonance imaging)<br />

Q<br />

Q<br />

A. LeD L<strong>amp</strong><br />

ELINT is?<br />

A. electronic intelligence<br />

Colour which absorbs minimum heat?<br />

Q<br />

Germanium IC chips was<br />

invented by?<br />

A. jack kilby<br />

A. white<br />

Q&A Bonus<br />

First Factory Act was introduced by - Lord ripon<br />

31

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