A beam of light contains two wavelengths 6500Å and 5200Å.
A beam of light contains two wavelengths 6500Å and 5200Å. They form interference fringes in Young's double slit experiment. What…
8 years ago
Questions
An ideal gas is expanding such that PT²=constant. The coefficient of volume
An ideal gas is expanding such that PT²=constant. The coefficient of volume expansion of the gas is Options (a) 1/T…
8 years ago
A monoatomic gas is suddenly compressed to (1/8)th of its initial volume adiabatically.
A monoatomic gas is suddenly compressed to (1/8)th of its initial volume adiabatically. The ratio of its final pressure to…
8 years ago
If the focal length of a concave mirror is 50 cm, then where should the object
If the focal length of a concave mirror is 50 cm, then where should the object is placed, so that…
8 years ago
The magnifying power of a convex lens of focal length 10 cm, when the image
The magnifying power of a convex lens of focal length 10 cm, when the image is formed at the near…
8 years ago
A radioactive substance emits n beta particles in the first 2 s and 0.5 n beta
A radioactive substance emits n beta particles in the first 2 s and 0.5 n beta particles in the next…
8 years ago
A uranium nucleus ₉₂ U ²³⁸ emits an α-particle and a β-particle in succession.
A uranium nucleus ₉₂ U ²³⁸ emits an α-particle and a β-particle in succession. The atomic number and mass number…
8 years ago
A wooden stick 2 m long is floating on the surface of water. The surface tension
A wooden stick 2 m long is floating on the surface of water. The surface tension of water is 0.07…
8 years ago
A body cools in 7 minute from 60⁰C to 40⁰C. What time, in minute does it take to cool
A body cools in 7 minute from 60⁰C to 40⁰C. What time, in minute does it take to cool from…
8 years ago
The period of a simple pendulum inside a stationary lift is T. The lift accelerates
The period of a simple pendulum inside a stationary lift is T. The lift accelerates upwards with an acceleration of…
8 years ago