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The Arctic Ocean is the smallest and shallowest of the world's five major oceans.
Which of the following materials exhibits piezoelectric effect?
How does the angle of minimum deviation of a glass prism of refractive index 1.5 change, if it is immersed in a liquid of refractive index 1.25?
The focal length of a concave mirror is 20 cm. Where should an object be placed to get an image of the same size?
An electric motor converts _____ energy to mechanical energy.
When the speed of car is doubled, then what will be the braking force of the car to stop it in the same distance?
In which type of motion does the velocity of a body vary with time?
What is the current flowing through a 24 Ω resistor connected to a 12 V battery?
A projectile is fired at an angle θ and reaches maximum height H and range R. The angle between velocity and acceleration at the highest point is:
What is the SI unit of power?