Which of the following events occurred first ?
1). Albert Einstein propounded the General Theory of Relativity
2). Max Planck unveiled the Quantum Theory
3). Marconi first transmitted a wireless signal
4). Madame Marie Curie became the first woman Nobel Prizewinner
Answer This Question with Explaination and Earn! Click Here to Know More!
1. Intensity of any wave is proportional to which of the following?
2. Velocity of sound in air does not change with the change of
3. Which of the following is a good conductor of heat but a bad conductor of electricity ?
4. Super conductors are substances that
5. If a person moves a trolley for a distance of 10 m with a force of 50 N, then the work done is
6. Conversion of heat into electrical energy is achieved by using :
7. Mud houses are cooler in summers and warmer in winters as compared to brick houses because
8. In sunlight a rose appears red. In green light the same rose appears :