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Ranveer Singh becomes the brand ambassador of Star Sports.
In a convex lens, when the object is at infinity, then the position of image is ______.
The filament of a bulb is made up of?
When do spring tides occur?
If lift is going up with acceleration, the apparent weight of a body is -
A horse cannot pull a cart on a frictionless surface because:
The apparent weight of a person in a lift moving downward with uniform acceleration is:
Light from a point source in air falls on a spherical glass surface (n=1.5 c and radius of curvature = 10 cm). The distance of the light source from the...
Which law of thermodynamics states that energy cannot be created or destroyed?
The speed of sound in the following media are Va, Vb and Vc for air, water and steel. Arrange the speed of sound.
A copper block of mass 3 kg is heated in a furnace to a temperature of 450°C and then placed on a large ice block. Find the maximum amount of ice that...