The speed of electro-magnetic radiation in a vacuum
(1) Increases from radio rays to ?-rays
(2) Decreases from radio rays to ?-rays
(3) Depends upon the source of the radiation
(4) Is equal for all factors or elements
Which of the following waterfalls is highest in the world? (1) King George VI (2) Ribbon (3) Angel (4) Niagra
A train covers a distance of 713 km in 11 hours and 30 minutes. The speed of the train in km/hr is (1) 75 (2) 55 (3) 62 (4) 52
A cuboid has __________ edges. (a) 4 (b) 8 (c) 16 (d) 12
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_______ is an example of an insulator. (a) Aluminium (b) Copper (c) Asbestos (d) Platinum
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In order to move one unit of positive charge from one point to another on the same potential surface (1) Work is done through the charge (2) Work is done on the charge (3) No work is done (4) The work done is fixed
what is bearing ?
The difference in compound interest and simple interest on Rs. 8,000/- for 3 years at 5% per annum is (a) Rs. 61 (b) Rs. 50 (c) Rs. 60 (d) Rs. 600
If the area of a square increases by 44%, then the side of the square increases by (a) 12% (b) 16% (c) 20% (d) 28%