A physical, mathematical or logical representation of a natural phenomenon is called:
- (A) Phenomenal
- (B) A scientific model
- (C) A theoretical postulate
- (D) None of these
- (B) A scientific model
ISSAC Newton and Gottfried Leibniz working independently in the 17th century laid the foundation of classical physics and are known as fathers of:
- (A) Astrology
- (B) Relativistic theory
- (C) Integral & differential calculus
- (D) None of these
- (C) Integral & differential calculus
A light year is:
- (A) A year devoid of heavy rainfall
- (B) The time taken by light to be generated & propagated from the center of the Sun to our Earth
- (C) The distance covered by light in one of our solar years
- (D) None of these
- (C) The distance covered by light in one of our solar years
Our Sun is classified as:
- (A) A blue giant
- (B) A yellow dwarf
- (C) Supernova
- (D) None of these
- (B) A yellow dwarf
The Sun produces most of its energy by:
- (A) Nuclear fusion which converting “H” to “He” Involves
- (B) Nuclear fission involving the burning of uranium & plutonium
- (C) Nuclear fission involving the combining of uranium and palladium
- (D) None of these
- (A) Nuclear fusion which converting “H” to “He” Involves
Which of the following is the correct ordering of the inner planets according to their proximity to the Sun?
- (A) Jupiter, Saturn, Uranus, Neptune
- (B) Phobos, Deimos, Europe, Tias
- (C) Mercury, Venus, Earth, Mars
- (D) None of these
- (C) Mercury, Venus, Earth, Mars
How long does our Earth take to turn about its axis:
- (A) One hour
- (B) 23 Hours
- (C) 24 Hours
- (D) None of these
- (C) 24 Hours
Tides are generated by:
- (A) The movements of ships in the oceans
- (B) The gravitational effect of Moon and Sun on our Earth
- (C) The movements of the Earth around the Sun
- (D) None of these
- (B) The gravitational effect of Moon and Sun on our Earth
Seasons are generated by:
- (A) The movement of Sun around co-axes of the milky way
- (B) The movement of the Earth around the Sun
- (C) Relativistic quantum
- (D) None of these
- (B) The movement of the Earth around the Sun
Although the mass of a man on Moon remains same as on the Earth, he will:
- (A) Be much happier there
- (B) Weigh one sixth as much
- (C) Weigh twice as much
- (D) None of these
- (B) Weigh one sixth as much