One of the following is a scalar quantity?
The mercury column in the barometer at notational atmospheric pressure has a height of?
If an object just begins to slide on a surface inclined at 30º to the horizontal,the coefficient of friction is?
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
(iii) Photocells
(iv) Cathode ray oscilloscope/T.V. tubes