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Product of first and last digit of a number is the middle digit of a number. 263 = 2 x 3 = 6 482 = 4 x 2 = 8 551 = 5 x 1 = 5 682 = 6 x 2 = 12
Which instrument is used to measure the moisture content in the air?
The current across the 3 ohm resistance in the given circuit is:
The mass and energy equivalent to 1 a.m.u. respectively are -
When a cannonball is fired, its motion is an example of ______.
A plane mirror is placed on a wall. A man walks directly toward the mirror at 2 m/s. The speed at which his image approaches him is:
The intensity of any wave is proportional to which quantity?
A potentiometer is an accurate and versatile device to make electrical measurements of E.M.F. because the method involves:
Which of the following waves require a medium to travel?
What is the wavelength of visible spectrum?
What happens to the resistance of a wire if its length is doubled?
