Physics Past Questions and Answers

Which of the following properties makes metals ideal for cooking utensils?

A gas occupies a volume of 300cm<sup style='font-size: smaller;'>3</sup>at a temperature of 27<sup style='font-size: smaller;'>o</sup>C. What is its volume at 54<sup style='font-size: smaller;'>o</sup>C, when the pressure is constant?

When two objects P and Q are supplied with the same quantity of heat, the temperature change in P is observed to be twice that of Q. The ratio of the specific heat capacity of P to Q is

Which of the following is true of sounds?

A lens of focal length 12.0cm forms an upright image three times the size of a real object. The distance between the object and the images is