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Guest practice

Quarter 4

Questions
20
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0
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1

The magnetic field around a straight current carrying conductor consists of:

2

CRO is mainly used to observe:

3

Which electromagnetic waves are used in remote controls?

4

The angle between geographic meridian and magnetic meridian is called:

5

Which quantity remains constant in an ideal transformer?

6

Which particle has no electric charge?

7

A scientific theory is falsifiable if it can be:

8

A solenoid produces a magnetic field similar to that of a:

9

Background radiation mainly comes from:

10

Overexposure to ultraviolet radiation may cause

11

The deflection of electron beam in CRO helps to measure:

12

Medical tracers commonly use:

13

Which factor increases the risk of electromagnetic radiation?

14

Which device converts electrical energy into mechanical energy?

15

Which wave property determines the color of light?

16

Which phenomenon proves the particle nature of light?

17

Which statement best defines falsifiability?

18

Ionizing radiations mainly cause damage by:

19

Dark matter is believed to:

20

Sun appears red at sunrise and sunset due to

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