A wire mesh consisting of very small squares is viewed at a distance
A wire mesh consisting of very small squares is viewed at a distance of 8 cm through a magnifying converging…
7 years ago
Physics
A magnet of length 10 cm and magnetic moment 1 A-m² is placed
A magnet of length 10 cm and magnetic moment 1 A-m² is placed along the side AB of an equilateral…
7 years ago
A lead bullet of 10 gm travelling at 300 m/s strikes against a block
A lead bullet of 10 gm travelling at 300 m/s strikes against a block of wood and comes to rest.…
7 years ago
A calorimeter contains 0.2 kg of water at 30° C. 0.1kg of water at
A calorimeter contains 0.2 kg of water at 30° C. 0.1kg of water at 60° C is added to it.…
7 years ago
A concave mirror ia placed over a beaker containing water of
A concave mirror ia placed over a beaker containing water of (µ = 1.33) and image of the object placed…
7 years ago
Vessel A is filled with hydrogen while vessel B, whose volume is
Vessel A is filled with hydrogen while vessel B, whose volume is twice that of A is filled with the…
7 years ago
In a parallel plate capacitor of capacitance C, a metal sheet is inserted
In a parallel plate capacitor of capacitance C, a metal sheet is inserted between the plates parallel to them, If…
7 years ago
A gas is suddenly expanded such that its final volume becomes 3 times
A gas is suddenly expanded such that its final volume becomes 3 times its intial volume. If the specific heat…
7 years ago
Time period of the rotation of the earth about its own axis is 24 hour
Time period of the rotation of the earth about its own axis is 24 hour. Mass and radius of the…
7 years ago
Two strings A and B, made of same material are stretched by same tension
Two strings A and B, made of same material are stretched by same tension. The radius of string A is…
7 years ago