Search SchoolNGR

Saturday, 11 April 2026
Register . Login

Physics Past Questions and Answers

Physics Questions

Question 3731:
Which of the following types of thermometer is used for the calibration of other thermometers?
  • A Liqud-in-glass thermometer
  • B Constant volume gas thermometer
  • C Optical pyrometer
  • D Thermocouple
View Answer & Explanation
Question 3732:
The magnitude of the expansion or contraction of a substance depends on the i. temperature change ii. nature of the substance iii. size of the substance. Which of the statements above are correct?
  • A I and ii only
  • B Ii and iii only
  • C I and iii only
  • D I, ii and iii
View Answer & Explanation
Question 3733:
Highly polished silvery surfaces are
  • A Poor absorbers and poor emitters of radiation
  • B Poor absorbers and good emitters of radiation
  • C Good absorbers and poor emitters of radiation
  • D Good absorbers and good emitters of radiation
View Answer & Explanation
Question 3734:
The volume of a given mass of gas at 27<sup style='font-size: smaller;'>o</sup>C and 800 mmHg is 76cm<sup style='font-size: smaller;'>2</sup>. Calculate its volume at s.t.p
  • A 100.0 cm<sup style='font-size: smaller;'>3</sup>
  • B 72.8 cm<sup style='font-size: smaller;'>3</sup>
  • C 60.0 cm<sup style='font-size: smaller;'>3</sup>
  • D 36.4 cm<sup style='font-size: smaller;'>3</sup>
View Answer & Explanation
Question 3735:
Ice of mass 10g at 5°C was completely converted to water at 0°C, calculate the quantity of heat used. [specific heat capacity of ice = 2.1 Jg\(^{-1}\)K\(^{-1}\), specific latent heat of fusion of ice = 336 Jg\(^{-1}\)]
  • A 105J
  • B 3255J
  • C 3465J
  • D 16821J
View Answer & Explanation