Transformer is a device to convert

• D.C. to A.C.

• Low voltage D.C. into high voltage D.C.

• Low voltage A.C. into high voltage A.C.

• Low voltage A.C. into high voltage A.C.

The weight of an object is maximum

• on the equator

• on the surface of the earth

• at the centre of the earth

• at the centre of the earth

Quality of a musical note depends on

• Fundamental fequency

• Amplitude of the wave

• Harmonics present

• Harmonics present

When we see an object, the image formed on the retina is

• Real and inverted

• Real and erect

• Virtual and erect

• Virtual and erect

Kinetic energy depends on

• the velocity or speed of the moving body

• the mass of the moving body

• the pressure of the moving body

• the pressure of the moving body

In which form is the supplied heat energy stored during change in temperature of substance?

• Heat energy

• Kinetic energy

• Potential energy

• Potential energy

What type of lens is used to correct vision of a person suffering from Myopia?

• Convex lens

• Concave lens

• Crossed lens

• Crossed lens

A man standing close the platform at a railway station experiences a pulling force towards a fast moving train because of ...............

• gravitational force between train and man

• illusion of the man

• the centripetal force

• the centripetal force

A galvanometer can be converted into a voltmeter by connecting with it a

• high resistance in parallel

• low resistance on parallel

• high resistance on series

• high resistance on series

An eudiometer measures

• atmospheric pressure

• time

• volume of gases

• volume of gases