What phenomenon is explained in the Video?
Reflection
Critical angle
Diffraction
Refraction
59% got this right
Why did the coin not come along the paper?
Due to Inertia
Coin is not linked with Paper
Coin is too heavy
There is magnet beneath table
54% got this right
Under what phenomenon does the door open?
Torque
Force
Push
Circular motion
21% got this right
Which of the following is neither a scalar nor a vector?
Dielectric constant
Angular Momentum
Force
Torque
41% got this right
What does Newton's first law tell us?
The definition of force
The forces always exist in pairs
The measure of force
The total quantity of motion
42% got this right
What type of force is non-conservative?
Frictional Force
Gravitational Force
Electromagnetic Forces
Strong Force
36% got this right
How much energy is in a thunderbolt of lightning?
One billion joules
250000 joules
3000 Joules
500 Joules
38% got this right
Why does the sea level rise at night?
Moon's gravity
Global Warming
Sea breezes
Sun's gravity
76% got this right
Why are there winds?
Temperature differences
Air flows from high density to low density.
Air flows along isobars
Air flows down-hill
25% got this right
What is the speed of gravity?
Gravity travels at the speed of light
(32 feet) per second per second
Gravity travels at 9.8 meters per second per second
Gravity travels at twice of speed of light
