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
Twinkling of the Stars is due to the phenomenon ofÂ
Which of the following circuit elements is used to 'block' DC in an electronic circuit?
If an object starts moving and if there is no friction at all, what happens?
Which compound is used to prepare water proof clothes?
What term describes the rate of change of velocity?Â
Which of the following liquids has the least density?
Which of the following is the best fire-extinguisher?
What conditions must be met for stationary waves to form?
For a wave, wavelength divided by the time period equals ________.
Which among the following is a vector quantity?Â
