Physics Past Questions and Answers

An object is placed 30cm from a concave mirror of focal length 15cm. the linear magnification of the image produced is

If a given mass at constant pressure obeys the relation...volume is proportional to the absolute temperature...the gas is said to obey

A man standing between two parallel mirrors in a barber's shop will see the following number of his own image

Which of the following statements is incorrect? The sensitivity of a galvanometer which incorporates an optical lever arrangement may be increased by providing

A landlord has eight 40W electric light bulbs, four 60W bulbs and two 100W bulb in his house. If he has all the points on for five hours daily and if N.E.P.A. charges 5k per unit, his bill for 30 days is