Which of the following is NOT based on principle of relationship between volume and pressure of air?
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An object of 1.2 cm height is placed 30 cm before a concave mirror of focal length of 20 cm toget a real image at a distance of 60 cm from the mirror. What is the height of the image formed?
The tendency of undisturbed objects to stay at rest or to keep moving with the same velocity is called
If a ball is thrown vertically upwards with a velocity of 40 m/s, then what will be the magnitude of its displacement after 6 s?
The mass per unit volume is called
What is the type of Energy possessed by a stretched rubber band?
Which of the following is a characteristic of an exothermic reaction?
What is the value of acceleration due to gravity at the centre of earth?
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