Area of rectangle = 8 × 5 = 40 cm² Area of semicircle = (1/2)πr² = (1/2) × 3.14 × (5/2)² = 9.8 cm² Total area = 40 + 9.8 = 49.8 cm².
Which law states that the ratio of the potential difference across a conductor to the current through it is constant, provided the temperature remains c...
Cryogenics is a branch of Physics that deals with what?
Which quantity has the same dimensional formula as impulse?
The apparent weight of a person in a lift moving downward with uniform acceleration is:
What process causes white light to split into its constituent colors?
Which of the following is the best conductor of electricity?
Which of the following rays are not deflected by a magnetic field?
The Mohs scale is used to measure:
A stone thrown upward with a speed ’u’ from the top of the tower reaches the ground with a speed ‘3u’. The height of the tower is-
The storage battery of a car has an emf of 15 V. If the internal resistance of the battery is 0.5 Ω, what is the maximum current that can be drawn from...