Acid present in chromic acid solution is

Beer-Lambert law is applied in the instrument

Laboratory incubator is usually set with a temperature of

Which of the following is used to keep chemicals free from water ?

Bleaching powder is prepared from

If the percentage error in radius is 1% and the percentage error in length is 3%, what
is the percentage error in calculating the volume of a cylinder ?

A particle moves with velocity 3 m/s towards East for a time t and with a velocity
2 m/s for a time 2t along North. Find the average velocity.

A body weighs 50 N on the surface of the earth. What is the gravitational force on it
due to the earth at a height equal to half the radius of the earth ?

. What is the force needed to lift a car, if a force of 50 N is applied to the smaller piston
of radius 5 cm ? The radius of the larger piston is 15 cm.

The uses of microwaves are