Question
How many manned missions successfully landed humans on
the Moon as part of the Apollo program?Solution
Six missions landed humans on the Moon, beginning with Apollo 11 in July 1969, during which Neil Armstrong became the first person to walk on the Moon. Apollo 13 was intended to land; however, it was restricted to a flyby due to a malfunction aboard the spacecraft. All nine crewed missions returned safely to the Earth.Â
Which of the following correctly describes the nature of electric field lines?Â
A body of mass 3 kg has a velocity of 4 m/s. Find its kinetic energy. Â
What is the wavelength of visible spectrum?
Which of the following phenomena cannot be explained by the wave theory of light?
Which of the following phenomena establishes the transverse nature of light waves?
Which of the following rays are not deflected by a magnetic field?
________ are the elements of group 18.
Which of the following materials behaves as a dielectric?
A cylindrical conductor of length L and radius R has its radius increasing linearly from R at one end to 2R at the other. A constant current I flows thr...
If the distance between two consecutive crests is L, then the wavelength is given by______.
