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AC voltage into DC voltage
DC voltage into AC voltage
Sinusoidal pulse into square pulse
None of the above
A ripe Tomato is Red, Leaves are Green, Flower is Purple, Hair is Black. Bring out the pigments responsible for these colors respectively ?
A rubber ball is dropped from a height of 2 metres. To what height will it rise if there is no loss of energy/velocity after rebounding -
A second pendulum is a pendulum whose time period is
A small magnet of dipole moment M is kept on the arm of a deflection magnetometer sat in tan A position at a distance of 0.2 m. If the deflection is 60°, the value of M is (BH = 0.4 × 10-4 T)
A substance which changes readily into vapour without heating is called
A substance which readily forms colloidal solution in contact with water is called
A system exhibiting S.H.M. must possess
A television channel is characterised by
A thick paste of cement, sand water is called
A toy rocket ejects 0.05 kg gas per second with a speed of 400 m/s the accelerating force on the rocket is :