MCQs
Total Questions : 639
| Page 60 of 64 pages
Answer: Option D. -> 22 April
Answer: (d)
Answer: (d)
Answer: Option B. -> Moon
Answer: (b)
Answer: (b)
Question 593. A team of scientists at Brookhaven National Laboratory including those from India created the heaviest antimatter (anti-helium nucleus). What is/are the implication/ implications of the creation of anti-matter?
- It will make mineral prospecting and oil exploration easier and cheaper.
- It will help probe the possibility of the existence of stars and galaxies made of anti-matter.
- It will help understand the evolution of the universe.
Answer: Option C. -> 2 and 3
Answer: (c) It will help probe the possibility of the existence of stars and galaxies made of anti-mater.It will also help in understanding the evolution of the universe.
Answer: (c) It will help probe the possibility of the existence of stars and galaxies made of anti-mater.It will also help in understanding the evolution of the universe.
Answer: Option C. -> Mercury
Answer: (c)Mercury is the innermost planet (nearest to the Sun) in the Solar System. It is also the smallest, and its orbit is the most eccentric (that is, the least perfectly circular) of the eight planets. It orbits the Sun once in about 88 Earth days, completing three rotations about its axis for every two orbits.
Answer: (c)Mercury is the innermost planet (nearest to the Sun) in the Solar System. It is also the smallest, and its orbit is the most eccentric (that is, the least perfectly circular) of the eight planets. It orbits the Sun once in about 88 Earth days, completing three rotations about its axis for every two orbits.
Answer: Option C. -> Jupiter
Answer: (c)
Jupiter is the fifth planet from the Sun and is the largest planet in the solar system. If Jupiter were hollow, more than one thousand Earths could fit inside. It also contains two and a half times the mass of all the other planets combined.
It has a mass of 1.9 × 1027 kg and is 142,800 kilometers (88,736 miles) across the equator.
Answer: (c)
Jupiter is the fifth planet from the Sun and is the largest planet in the solar system. If Jupiter were hollow, more than one thousand Earths could fit inside. It also contains two and a half times the mass of all the other planets combined.
It has a mass of 1.9 × 1027 kg and is 142,800 kilometers (88,736 miles) across the equator.
Answer: Option A. -> The radiation emitted by the Sun exerts a radial pressure on the comet throwing its tail away from the Sun
Answer: (a)
Answer: (a)
Answer: Option C. -> 8 minutes
Answer: (c)
Light travels at 186,000 miles a second at the Earth is 93 million miles to Sun on average. This works out as 8.33 minutes for light from the Sun to reach Earth.
On average, it takes energy between 10,000 and 170,000 years to leave the sun’s interior and then be emitted from the surface as light. Sunlight, in the broad sense, is the total frequency spectrum of the electromagnetic radiation given off by the Sun, particularly infrared, visible, and ultraviolet light.
On Earth, sunlight is filtered through the Earth’s atmosphere and is obvious as daylight when the Sun is above the horizon.
Answer: (c)
Light travels at 186,000 miles a second at the Earth is 93 million miles to Sun on average. This works out as 8.33 minutes for light from the Sun to reach Earth.
On average, it takes energy between 10,000 and 170,000 years to leave the sun’s interior and then be emitted from the surface as light. Sunlight, in the broad sense, is the total frequency spectrum of the electromagnetic radiation given off by the Sun, particularly infrared, visible, and ultraviolet light.
On Earth, sunlight is filtered through the Earth’s atmosphere and is obvious as daylight when the Sun is above the horizon.
Question 599. The Earth is an oblate spheroid and not a perfect sphere. This is because
- The Earth has a rotational motion and the rotational speed increases as one goes from the poles towards the equator.
- The equator experiences greater gravitational pull from the sun.
- The intensity of sunlight received at the equator is greater than that at the poles.
Answer: Option D. -> Only 1
Answer: (d)The shape of the Earth is very close to that of an oblate spheroid, a sphere flattened along the axis from pole to pole such that there is a bulge around the equator.This bulge results from the rotation of the Earth and causes the diameter at the equator to be 43 km large than the pole-to-pole diameter.
Answer: (d)The shape of the Earth is very close to that of an oblate spheroid, a sphere flattened along the axis from pole to pole such that there is a bulge around the equator.This bulge results from the rotation of the Earth and causes the diameter at the equator to be 43 km large than the pole-to-pole diameter.
Answer: Option C. -> Planets shine though they are non-luminous bodies
Answer: (c)
Answer: (c)
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