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Physics

Physics
An atom with more neutrons than protons is called

Compound
Isotope
Element
None of these

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Physics
How much mechanical work must be done to completely melt 1 gram of ice at 0°C ?

2268 J
4.2 J
336 J
80 J

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Physics
The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be:

8 T
4 T
2 T
1 T

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Physics
The phenomenon which causes mirage is

Polarisation
Interference
Total internal reflection
Diffraction

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Physics
If objects appear enlarged and inverted in a rear view mirror, then which type of mirror is used?

Cylindrical
Convex
Concave
Plane

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Physics
Which of the following is the fastest communication channel?

All are operating at nearly the same propagation speed
Radio wave
Microwave
Optical fiber

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MORE MCQ ON Physics

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