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UPSC CAPF AC Paper - I
IMPORTANT
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Fusion reaction takes place at high temperature because

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Important Questions on Physics

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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 7>Q 24
An oscilloscope is an instrument which allows us to see waves produced by
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 7>Q 25
In a working nuclear reactor, cadmium rods are used to _____.
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 7>Q 26
Cosmic rays
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 7>Q 28
Intelsat satellite is used for _____.
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 7>Q 29
The technique of collecting information about an object from a distance without making physical contact with it is
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 7>Q 30

Match the following lists

  List I                                                        List II

A. Germanium at 0 K                              1. n-type semiconductor

B. Germanium at room temperature       2. p-type semiconductor

C. Germanium doped with indium         3. Insulator

D. Germanium doped with arsenic        4. Intrinsic Semiconductor

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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 7>Q 31
The modem is a device used for _____. 
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 7>Q 32
Cathode rays are similar to visible light rays, in that-