The radius of gyration of a solid sphere of radius r about a certain axis is r
The radius of gyration of a solid sphere of radius r about a certain axis is r. The distance of…
7 years ago
Physics
The de-Broglie wavelength of a proton(charge = 1.6 x 10⁻¹⁹ C, Mass = 1.6 x 10⁻²⁷ kg)
The de-Broglie wavelength of a proton(charge = 1.6 x 10⁻¹⁹ C, Mass = 1.6 x 10⁻²⁷ kg) accelerated through a…
7 years ago
The escape velocity from the earth is Ve. The escape velocity from a planet
The escape velocity from the earth is Ve. The escape velocity from a planet whose radius is 4 times and…
7 years ago
A coil of 40 henry inductance is connected in series with a resistance of 8 ohm
A coil of 40 henry inductance is connected in series with a resistance of 8 ohm and of a 2…
7 years ago
If a star converts all helium in its core to oxygen, then energy released per oxygen
If a star converts all helium in its core to oxygen, then energy released per oxygen nuclei is(Mass of He=4.0026…
7 years ago
A carnot’s engine operates with source at 127° C and sink at 27°C
A carnot's engine operates with source at 127° C and sink at 27° C. If the source supplies 40 kJ…
7 years ago
A man measures time period of a pendulum(T) in stationary lift. If the lift moves upwards
A man measures time period of a pendulum(T) in stationary lift. If the lift moves upwards with acceleration g/4, then…
7 years ago
A capacitor of 10 µF charged upto 250 volt is connected in parallel with another
A capacitor of 10 µF charged upto 250 volt is connected in parallel with another capacitor of 5 µF charged…
7 years ago
The 6563 Å line emitted by hydrogen atom in a star is found to be red shifted by 5Å
The 6563 Å line emitted by hydrogen atom in a star is found to be red shifted by 5 Å.…
7 years ago
A beaker of radius 1.5 cm is filled with a liquid of surface tension 0.075 N/m
A beaker of radius 1.5 cm is filled with a liquid of surface tension 0.075 N/m. Force across an imaginary…
7 years ago