If an object just begins to slide on a surface inclined at 30º to the horizontal,the coefficient of friction is?
Which of the following thermometers measures temperature from the thermal radiation emitted by objects?
The number of holes in an intrinsic semiconductor
The property of wave shown in the diagram above is?
Which of the following statements regarding the application of electrical conduction via gases is/are correct?
Electrical conduction in gas is applied in:
(i) The identification of gases
(ii) Lighting/fluorescent tubes
(iv) Cathode ray oscilloscope/T.V. tubes