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The word ‘lapse’ means ‘a temporary failure’. So, ‘failure’ is a synonym.
In a refrigerator, the cooling system should always be –
A 4 cm wire carrying a current of 15 A is placed inside a solenoid perpendicular to its axis. The magnetic field inside the solenoid is given to be 0.27...
The ozone hole that has been detected lies in the atmosphere above –
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...
Which of the following materials exhibits piezoelectric effect?
The speed of sound in the following media are Va, Vb and Vc for air, water and steel. Arrange the speed of sound.
From the given options, the speed of sound is highest in which material?
__________ is the metal used for making the filament of the light bulb.
A projectile is launched at an angle of 30° with the horizontal and remains in the air for 5 seconds. What is the range of the projectile? (Take g = 10...
Which of the following is used to initiate nuclear fission?
