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Physics

Physics
Number of lattices in the orthorhombic system is

5
7
4
8

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Physics
When an atom loses an electron it becomes

Negative ion
None of these
Positive ion
Neutron

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Physics
Outside of cooking utensils are generally left black from below because

Black surface is a good absorber of heat.
It is difficult to clean daily.
Black surface is a good conductor of heat.
Black surface is a poor conductor of heat.

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Physics
A water tank appears shallower when it is viewed from top due to

Rectilinear propagation of light
Reflection
Total internal reflection
Refraction

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Physics
What is colour of light related to ?

Velocity
Quality
Amplitude
Frequency

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Physics
Which of the following is the fastest communication channel?

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

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MORE MCQ ON Physics

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