Physics Questions

Find the power of a convex lens if the image formed is at a distance of 25 cm from the lens when the object is placed on the other side of the lens at 12 cm from the optical centre?

_________________ is a measure of the moisture in air.

If the power of a corrective lens is +2.0 D, then it is a

Which  one  of  the following  is  the  value  of one nanometer?

 If an object travels in a straight line and its velocity increases or decreases by equal amounts in equal intervals of time, then the acceleration of the object is said to be ______________.

The boiling point of liquids vary as

In which of the following situations is mechanical energy most likely to be conserved?

What is the fundamental unit of amount of a substance?