Everday Science Mcqs
The Earth’s rotation on its own axis is from?
A. North to South
B. West to East
C. East to West
D. South to North
What is the age of Earth?
A. 5500 Billion Years
B. 5550 Billion Years
C. 5000 Billion Years
D. 5555 Billion Years
The sun appears red at sunrise and sunset while it appears white at noon, because?
A. Of refraction
B. It is cooler at sunrise and at sunset
C. Of diffraction leading to red end of the spectrum reaching the earth.
D. Of Scattering of light due to dust particles and air molecules
An astronaut inside a spacecraft is in a state of weightlessness. This implies that?
A. The mass of the astronaut is reduced to zero.
B. Gravity inside the spacecraft ceases to act.
C. The astronaut is outside the influence of the earth’s gravitational force.
D. The astronaut and the spacecraft are both in a free-failing state.
The atmosphere of moon consist of——?
A. 90% Hydrogen, 10% Nitrogen
B. 80%Nitrogen, 20% Hydrogen
C. 60% Nitrogen, 40%inert gases
D. None of these
He was the scientist to prove that Planets move around the Sun?
A. Archimedes
B. Galileo Galilei
C. John Kepler
D. None of these
The Sky appears blue because the earth’s atmosphere—————-?
A. Scatters blue light
B. Reflects blue light
C. Transmits blue light
D. Has actual blue cover