The radius of orbit of a planet is two times that of the earth. The time period
The radius of orbit of a planet is two times that of the earth. The time period of planet is…
8 years ago
Questions
When there is no heat change from surroundings in a system, then the process
When there is no heat change from surroundings in a system, then the process taking place is Options (a) isobaric…
8 years ago
If 75% of the radioactive reaction is completed in 2 hrs, what would be
If 75% of the radioactive reaction is completed in 2 hrs, what would be the half life period? Options (a)…
8 years ago
The current in the coil of inductance 5H decreases at the rate of 2 A/s
The current in the coil of inductance 5H decreases at the rate of 2 A/s. The induced e.m.f is Options…
8 years ago
The ratio of the numerical value of the average velocity and average speed
The ratio of the numerical value of the average velocity and average speed of a body is always Options (a)…
8 years ago
If a magnetic substance is kept in a magnetic field, then which of the following
If a magnetic substance is kept in a magnetic field, then which of the following is thrown out Options (a)…
8 years ago
A thin wire of resistance 4 ohm is bent to form a circle. The resistance across
A thin wire of resistance 4 ohm is bent to form a circle. The resistance across any diameter is Options…
8 years ago
The minimum wavelength of X-rays emitted by X-ray tube is 0.4125Å
The minimum wavelength of X-rays emitted by X-ray tube is 0.4125 Å. The accelerating voltage is Options (a) 30 kV…
8 years ago
Two sound waves of wavelengths 5m and 6m formed 30 beats in 3 seconds
Two sound waves of wavelengths 5m and 6m formed 30 beats in 3 seconds. The velocity of sound is Options…
8 years ago
Electric potential at any point is V= -5x +3y + √(15) z. Then the magnitude of electric
Electric potential at any point is V= -5x +3y + √(15) z. Then the magnitude of electric field is Options…
8 years ago