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Physics

Physics
Which component of an IED creates an electrical charge?

Fuse
Activator
Explosive
Power source

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Physics
A wavelength of 0.3 m is produced in air and it travels at a speed of 300 m/s. Then it will be an

Microwave
Infrasonic wave
Audible wave
Ultrasonic wave

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Physics
Suppose voltage V is applied across a resistance R. The power dissipated in the resistance is P. Now the same voltage V is applied across a parallel combination of three equal resistors each of resistance R. Then the power dissipated in the second case will be

2p/ 3
3P
P/3
P

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Physics
Which planet has the lowest density?

Saturn
Jupiter
Earth
Neptune

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Physics
The three famous law of Kepler is related to

Optics
Planetary Motion
Oscillations
Speed

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Physics
What is the reason for formation of Mirage in desert?

Both Refraction and Total internal reflection of light
Total internal reflection of light
Refraction of light
Reflection of light

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