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Physics

Physics
Which component of an IED creates an electrical charge?

Fuse
Activator
Power source
Explosive

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Physics
The sparkling of a diamond is due to

Total internal reflection of light
Interference of light
Refraction of light
Polarisation of light

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Physics
A 4 kg object is moving horizontally with a speed of 5 m/s. To increase its speed to 10 m/s, the amount of net work required to be done on this object is:

150 J
75 J
50 J
100 J

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Physics
Why does'nt the hydrogen atom emit X-rays?

It is highly electropositive
It has only one electron
It is very small in size
Its energy levels are very close to each other

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Physics
1 WH =

360 joules
36 joules
3600 joules
36000 joules

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Physics
Which colour has the highest frequency?

Red
Green
Violet
Indigo

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MORE MCQ ON Physics

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