Tag: elementary ideas of astronomy

Questions Related to elementary ideas of astronomy

When the sun, the earth and the moon come to lie in a straight line it causes -

  1. earthquakes

  2. eclipses

  3. eruption of volcanoes

  4. none of these


Correct Option: B
Explanation:

When the sun, earth and moon come in straight line it causes eclipses.

Ans : Eclipse

A solar eclipse is caused when the -

  1. sun comes between the earth and the moon

  2. moon comes between the sun and the earth

  3. earth comes between the sun and the moon

  4. none of these


Correct Option: B
Explanation:

A solar eclipse is caused when moon comes between sun and earth and moon casts a shadow over earth. 

Ans: moon comes between sun and earth

State whether true or false.
The outer rim of the sun which is only visible in an annular solar eclipse is called corona.

  1. True

  2. False


Correct Option: A
Explanation:

The outer rim of the sun which is visible in an annular solar eclipse is called corona.

Ans:True

State whether true or false.
Eclipses are examples of the formation of shadows in nature.

  1. True

  2. False


Correct Option: A
Explanation:

Lunar eclipse occur whenever the moon passes into the shadow of earth. Solar eclipse occur when the new moon eclipse slips in front of the sun and blocks it from view. This moon's shadow then falls upon the earth.

State whether true or false.
The sun will not be visible during a lunar eclipse.

  1. True

  2. False


Correct Option: A
Explanation:

During lunar eclipse position of sun and moon will be in the same line. In this configuration both sun and moon will not be visible.

Ans: True

State whether true or false.
Solar eclipse takes place when Jupiter comes in between the earth and the moon.

  1. True

  2. False


Correct Option: B
Explanation:

Solar eclipse occurs when moon comes between earth and sun.

Ans: False

State whether true or false.
Solar eclipse is a phenomenon more frequent than a Lunar eclipse.

  1. True

  2. False


Correct Option: B
Explanation:

Lunar eclipses are more common than solar eclipse.

State whether true or false.
Solar eclipse takes place on a half moon day.

  1. True

  2. False


Correct Option: B
Explanation:

Solar eclipse takes place only on a new moon day.

State whether true or false.
Lunar eclipse occurs in every full moon night.

  1. True

  2. False


Correct Option: B
Explanation:

Lunar eclipse can occur only on a full moon night. But they do not happen every full moon night because Earth's orbit around the sun is not in the same plane as the moon's orbit around the earth. Eclipse occur only if the the sun, the earth and the moon come to lie in a straight line.

State whether true or false.
There are only two types of eclipses Solar and Lunar eclipse

  1. True

  2. False


Correct Option: A
Explanation:

The only two types of solar eclipse are Solar and Lunar eclipse. 

Ans: True