Explain the Optical Medium ?
Answer / guest
A substance through which light can pass is called optical
medium e.g. air, water, glass.
| Is This Answer Correct ? | 2 Yes | 1 No |
When water is boiled in a tin and its mouth is closed by a rubber cork, then on pouring cold water over the tin it is crushed. Why ?
Is their any rule in significant figures that maximum number of significant figures in a number are 5
Explain the Mass and Weight ?
what happens when an object travels in the speed of light hits another object?
For two objects separated by a distance d, if the mass of one of the objects is doubled, what will happen to the gravitational attraction between them?
What is the role of transformer in a rectifier?
When a gun is fired, why does the guner receive the jerk ?
What is Mechanical mixture ?
Which element has the simplest absorption spectrum?
What is the Magnetic substance ?
Explain what is the direction of null vector?
A man asks his friend to meet him at the airport at 3.00pm,to drive him to an appointment.he catches an earlier plane,and arrives at the airport at 2.00pm.he decides to start walking and is picked up en route by his friend.he arrives twenty minutes early for his appointment.how long did he walk?