ये Astronauts

Astronauts use walkie-talkie to communicate to each other in deep space. Walkie-talkie radiates radio waves to connect with the respective pair. Astronauts use walkie-talkie to communicate in deep space because

To an astronaut is a spcaceship, the sky appears

Two astronauts A and B connected with a rope stay stationary in free space relative to their spaceship. Mass of A is more than that of B and the rope is straight. Astronaut A statas pulling the rope but astronaut B does not. If you were the third astronaut in the spaceship, what do you observe?

Astronauts space mein kyun karte hai float

An astronaut is looking down on earth's surface from a space shuttle at an altitude of 400 km. Assuming that the astronaut's pupil diameter is 5 mm and the wavelength of visible light is 500 nm. The astronaut will be able to resolve linear object of the size of about .

Can two astronauts talk on the surface of moon as they do on earth?Why?

To remove exhaled CO_(2) by astronauts in spaceship, the chemical used is