The centre of the reflecting surface of a spherical mirror is a point called the ___.
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1 pascal equals 1 ________________.
The velocity of light in vacuum is
Which of the following changes when a body performs uniform circular motion?
In which of the following mentioned activities is the potential energy (P.E) converted into kinetic energy(K.E)?
A 5 kg object is raised through a height of 4 m. The work done by the force of gravity acting on the object is (take g = 10 m/s2)
AC is converted into DC by a
Which of the following can neither be created nor be destroyed?
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