Which of the following is indicated by the colour of a star ?
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Bridgmanite is
Which of the following is a tsunami warning sign?
In a hydrogen atom, an electron moves in an orbit of radius 5.0 x 10-11 m with a speed of 2.2 x 106 m/s. What is the equivalent current? (Electronic charge = 1.6 x10-19 C)
What is the type of Energy possessed by a stretched rubber band?
A high jumper runs for a while before taking a high jump so that the inertia of __ helps him take the long jump.
If an object is placed at the center of curvature of a concave mirror, then the image formed will be
What is the name of the most ancient spiral galaxy that existed 11 billion years ago?