Planets of the solar system - class-VII
Description: planets of the solar system | |
Number of Questions: 49 | |
Created by: Avatara Chahal | |
Tags: the universe geography the solar system and our earth earth - as a member of solar system water- land- air universe: a great wonder the earth in the solar system stars and the solar system our universe solar system our solar system the sun, the moon and the earth the sun, the stars that crowd the sky earth and beyond the earth - our living planet physics the solar system and the earth social science the universe and solar system our earth sky vision the earth: myth and reality |
The time interval between two successive noon when sun passes through zenith point (meridian) is known as
Light from the sun reaches the earth approximately in
State whether the sentences is true(T) or false(F).
Saptarishi and Ursa Major are two different constellations.
Mark the odd one in the following list.
Galileo's observations that venus shows all of the phases, was important because, it discredited?
All the planets in the solar system revolve around the Sun in same plane. This statement is
What is the time taken by the Jupiter to go around the Sun?
The distance between the sun and the earth is
Who is regarded chief of solar system?
The mean distance between the Earth and Sun as well as the distances within the solar system is represented by
Match items in column A with one or more items in column B
Column A | Column B |
---|---|
(i) Inner planet | (a) Saturn |
(ii) Outer planet | (b) Pole star |
(iii) Constellation | (c) Great Bear |
(iv) Satellite of the earth | (d) Moon |
(e) Earth | |
(f) Orion | |
(g) Mars |
Which of the following planets takes minimum time to take one revolution around the Sun?
Day and night are caused by ___________.
The planet Uranus rotates on its axis from
On which two days does the Sun rise exactly in the East?
Planets do not collide with each other because
Why does Venus show phases like the moon?
Autumnal Equinox occurs on ?
Degenerate electron pressure will not be sufficient to prevent the core collapse of white dwarf if its mass becomes n times of our solar mass. Value of n is:
The planets keep changing their position with respect to:
The planets do not emit light of their own. This statement is:
Which of the following statement is incorrect?
Which of the following is a proof of the Earth's revolution around the Sun?
The earth revolves about the sun in an elliptical orbit with mean radius $9.3 \times 10^7\ m$ in a period of $1$ year. Assuming that there are no outside influences, then
Earth is revolving around the sun.If the distance of earth from the sun is reduced to $\frac { 1 } { 4 } \mathrm { th }$ of the present distance, then the length of present day will be reduced by
The mass of a planet Jupiter is $1.9 \times 10^{27} kg$ and that of the Sun is $1.99 \times 10^{30} kg$. The mean distance of the Sun from Jupiter is $7.8 \times 10^{11} m$. The gravitational force, which the Sun exerts on Jupiter is.
Two plates move around the Sun. The periodic times and the mean radii of the orbits are $T _1, T _2$ and $r _1, r _2$ respectively. The ratio $\dfrac{T _1}{T _2}$ is equal to.
As per modern classification of solar system, number of planets excluding Earth is:
The radius of Jupiter is 11 times the radius of the Earth. Calculate the ratio of the volumes of Jupiter and the Earth. How many Earths can Jupiter accommodate ?
The earth spins about its axis from
The mean distance between Earth and Sun is referred to as one
Days and nights are caused by
All the stars appear to move from
The planet which shows retrograde motion is
The planet Jupiter is bulged at the centre and flattened at the poles because of ___________.
Which of the following planets takes maximum time to complete one revolution around the Sun?
The planets revolve round the sun in _______ orbits.
The difference in the length of a mean solar day and a sidereal day is about
Which is the correct sequence of planets in increasing order of size?
If the axis of rotation of the earth were extended into space then it would pass close to
Which of the following describes ecliptic orbit?
What is Minor Planet?
Who was the first to suggest, "A planet moves most quickly when it is closest to the sun, but slows down as it moves farther away"?