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?
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Which of the following Newton's laws of motion can explain why a ball thrown at a wall rebounds?
The speed of light in vacuum is estimated as ___ meters/second.
Why does a piece of cloth, which appears green in sunlight, appear black when it is viewed under red light?
In a longitudinal wave, the distance between two consecutive compressions and two consecutive refractions is called
Which of the following has the same unit as energy?
The centre of the reflecting surface of a spherical mirror is called the
In a concave mirror when the object is placed at infinity which of the following applies to the image?