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Physics

Physics
Tesla is a unit of magnetic :

Induction
Flux
Field
Moment

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Physics
Energy of Ultraviolet rays is great than

Gamma rays
Infrared rays
X-rays
Cosmic rays

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Physics
What is the wavelength of visible spectrum ?

1300 A°–3000 A°
3900 A° – 7600 A°
7800 A° – 8000 A°
8500 A° – 9800 A°

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Physics
Heat energy is transferred by conduction whenever molecules

All of these
Particles replaces there places
Means of photons
Collide each other

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Physics
The purpose of choke in a fluorescent lamp is :

To decrease the current flow
Ro decrease the voltage momentarily
To decrease the resistance
To increase the current flow

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Physics
Out of the following, which is not emitted by radioactive substance?

Neutrons
Alpha particles
Electrons
Electromagnetic radiations

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MORE MCQ ON Physics

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