In the equation of motion 2as = v2 - u2, s represents _________________.
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Which of the following glows with special colour depending on the nature of gas in the fluorescent tube?
What will be the force of attraction between two bodies weighing 20 kg and 50 kg, respectively, with a distance of 2 metre between them?
Air expands when it _______________.
Calculate the pressure (in Pa) if a thrust of 800 N is applied to an area of 16 m2.
A lemon kept in water in a glass tumbler appears to be bigger than its actual size when viewed from the sides. This is because of
Which one of the following takes place during a nuclear fusion?
With reference to gravity, what is G called?