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The bomb traverses a curved path and falls some distance behind that point
The bomb traverses a curved path and Falls some distance ahead
The bomb drops vertically downward
The bomb remains stationary in the air for some time
A bottle of sodalime is grasped by the neck swung briskly in a vertical circle, Near which portion of the bottle do the bubbles collect -
A car of 500 kg mass travelling at 25 m/sec applies brakes and its speed is reduce to 5 m/sec in 5 sec. Find the force of repulsion ?
A catalyst is a substance which
A closed vessel containing some gas at atmospheric pressure and room temperature is placed in a fast moving train. The temperature of the gas will
A colloidal system in which a liquid is dispersed in a liquid is called
A convex lens and concave lens each having the same focal length of 25 cm, are put in contact to form a combination of lenses. The power (in dioptres) of the combination is :
A convex lens of glass has power P in air. If it is immersed in water its power will be :
A current loop in a magnetic field :
A current of 5 A is passing through a metallic wire of cross-sectional area 4 × 10-6 m2. If the density of the charge carriers in the wire is 5 × 1026 m-3, the drift velocity of the electrons is :
A current of 5 A is passing through a metallic wire of cross-sectional area 4 × 10^-6 m². If the density of the charge carriers in the wire is 5 × 10^26 m^-3, the drift velocity of the electrons is :