When both the object and its image move together in the same direction relative to the observer, then there is
The diagram above shows a magnetic field due to a
I. The colour of light depends on its frequency II. When white light is dispersed by a triangular prism, yellow is deviated more than green III. Rainbows are formed when rains fall heavily. Which of the above statements is/are correct about dispersion and colours?
A Force 18 N pulls a 40 kg mass on a horizontal floor at 0.3 ms\(^{-2}\). Find the coefficient of friction.
A 500W electric oven plugged into a 220 V source will consume an electric current of
