74 + Interview Questions in SUN IN GENERAL AWARENESS Page 2 InterviewSolution

51.	What is a Transit?
Answer» If an inner planet like a Mercury or Venus comes in between the line of the earth and the sun, a transit occurs. At that time, a small dot appears to move across the sun’s disc. Transit is a type of solar eclipse.

Discussion

52.	Define the following:Transit.
Answer» If an inner planet like Mercury or Venus comes in between the line of the earth and the sun, a transit occurs. At that time a small dot appears to move across the sun’s disc.

Discussion

53.	Name the following:Types of solar eclipse.
Answer» Total solar eclipse, Partial solar eclipse, Annular solar eclipse.

Discussion

54.	Write short note on:Occupation.
Answer» This is a typical event occurring in space. The moon revolves around the earth, while doing so, it obscures a star or a planet and that celestial body appears to hide behind the moon. This is called occultation.

Discussion

55.	Name the following:Eclipse that confuses animals and birds.
Answer» Solar eclipse.

Discussion

56.	Fill in the blanks choosing the correct options from the brackets:i. Occultation occurs with reference to the _____. (sun, moon, earth)ii. Transit is associated with the _______ .(sun, moon, earth)iii. During the period of _______ eclipse, a large number of birds and animals get confused.(solar, lunar, annular)
Answer» i. moon ii. sun iii. solar

56.

Fill in the blanks choosing the correct options from the brackets:i. Occultation occurs with reference to the _. (sun, moon, earth)ii. Transit is associated with the _ .(sun, moon, earth)iii. During the period of _____ eclipse, a large number of birds and animals get confused.(solar, lunar, annular)

Answer»

i. moon

ii. sun

iii. solar

Discussion

57.	Define the following:Solar Eclipse.
Answer» If the moon comes between the earth and the sun in a straight line on new moon day, the shadow of the moon falls on the earth and the sun becomes totally or partially invisible in the shadow zone. This phenomenon is called the solar eclipse.

Discussion

58.	Write short note on:Characteristics of lunar eclipse.
Answer» A lunar eclipse occurs on a full moon day, but not on every full moon day. A lunar eclipse occurs if and only if the sun, the moon and the earth are in the same plane and fall in one line. The maximum duration of a total lunar eclipse is 107 minutes.

Discussion

59.	Why do the sun, the moon and the earth not lie in one and the same line on every full moon and new moon day?
Answer» (i) The orbital path of the earth and that of moon are not in the same plane. (ii) The moon’s revolutionary orbit makes an angle of about 5° with that of the earth. (iii) On each new moon day, the lines joining the earth and the sun and the moon make an angle of 0° whereas on each full moon day, this angle is 180°. (iv) So, the sun, the earth and the moon may not be in one straight line in the same plane on every new moon or full moon day.

59.

Why do the sun, the moon and the earth not lie in one and the same line on every full moon and new moon day?

Answer»

(i) The orbital path of the earth and that of moon are not in the same plane.

(ii) The moon’s revolutionary orbit makes an angle of about 5° with that of the earth.

(iii) On each new moon day, the lines joining the earth and the sun and the moon make an angle of 0° whereas on each full moon day, this angle is 180°.

(iv) So, the sun, the earth and the moon may not be in one straight line in the same plane on every new moon or full moon day.

Discussion

60.	Name the following:Types of lunar eclipse.
Answer» Total lunar eclipse and Partial lunar eclipse.

Discussion

61.	Define the following:Perigee.
Answer» When the moon is the closest to the earth in its orbit, it is perigee.

Discussion

62.	Define the following:Occultation.
Answer» The moon revolves around the earth. While doing so, it obscures1 a star or a planet and that celestial2 body appears to hide behind the moon. This is called occultation.

Discussion

63.

Complete the following table.DetailsLunar EclipseSolar EclipsePhase of the moon……………………SequenceMoon-Earth-Sun…………Type of Eclipse……………………Maximum duration of total eclipse107 minutes…………….

Answer»

Details	Lunar Eclipse	Solar Eclipse
Phase of the moon	Full Moon Day	New Moon Day
Sequence	Moon-Earth-Sun	Moon-Earth-Sun
Type of Eclipse	Total and Partial	Total, Partial, Annular
Maximum duration of total eclipse	107 minutes	440 Seconds

Discussion

64.

Complete the following table:DetailsNumerical facts1. Perigee distance……….2. Apogee distance……….3. Angular distance between the moon’s and the earth’s orbit……….4. Maximum duration of a total solar eclipse……….5. Maximum duration of a total lunar eclipse……….6. Number of solar eclipse (types)……….7. Number of lunar eclipse (types)……….

Answer»

Details	Numerical facts
1. Perigee distance	3,56,000 km
2. Apogee distance	4,07,000 km
3. Angular distance between the moon’s and the earth’s orbit	5°
4. Maximum duration of a total solar eclipse	7 minutes 20 seconds
5. Maximum duration of a total lunar eclipse	107 minutes
6. Number of solar eclipse (types)	3
7. Number of lunar eclipse (types)	2

Discussion

65.	What precautions should we take while observing a solar eclipse?
Answer» The precautions to be taken while observing a solar eclipse are: We should not observe a solar eclipse with naked eyes as the intense light of the sun can harm them. We must use dark glasses or goggles that are specially designed for viewing the solar eclipse.

65.

What precautions should we take while observing a solar eclipse?

Answer»

The precautions to be taken while observing a solar eclipse are:

We should not observe a solar eclipse with naked eyes as the intense light of the sun can harm them.
We must use dark glasses or goggles that are specially designed for viewing the solar eclipse.

Discussion

66.	Correct the wrong statement.i. The moon revolves around the sun.ii. On a full moon day, the moon, the sun and the earth are positioned in this sequence.iii. The revolutionary orbits of the earth and the moon are in the same plane.iv. In one revolution of the moon, its orbit intersects the earth’s orbit only once.v. It is alright to observe a solar eclipse without protecting the eyes.vi. An annular solar eclipse occurs when the moon is in the perigee position.
Answer» i. Wrong – The moon revolves around the earth. ii. Wrong – On a full moon day, the sun, the earth and the moon are positioned in this sequence. iii. Wrong – The revolutionary orbits of the earth and the moon are not in the same plane. The moon’s revolutionary orbit makes an angle of about 5° with that the earth. iv. Wrong – In one revolution of the moon, its orbit intersects the earth’s orbit twice. v. Wrong – It is necessary to view the sun disc through dark glasses or through special goggles made for that purpose, otherwise the intense light of the sun can be harmful to the naked eye. vi. Wrong – An annular solar eclipse occurs when the moon is in the apogee position.

66.

Correct the wrong statement.i. The moon revolves around the sun.ii. On a full moon day, the moon, the sun and the earth are positioned in this sequence.iii. The revolutionary orbits of the earth and the moon are in the same plane.iv. In one revolution of the moon, its orbit intersects the earth’s orbit only once.v. It is alright to observe a solar eclipse without protecting the eyes.vi. An annular solar eclipse occurs when the moon is in the perigee position.

Answer»

i. Wrong – The moon revolves around the earth.

ii. Wrong – On a full moon day, the sun, the earth and the moon are positioned in this sequence.

iii. Wrong – The revolutionary orbits of the earth and the moon are not in the same plane. The moon’s revolutionary orbit makes an angle of about 5° with that the earth.

iv. Wrong – In one revolution of the moon, its orbit intersects the earth’s orbit twice.

v. Wrong – It is necessary to view the sun disc through dark glasses or through special goggles made for that purpose, otherwise the intense light of the sun can be harmful to the naked eye.

vi. Wrong – An annular solar eclipse occurs when the moon is in the apogee position.

Discussion

67.	Define the following:Apogee.
Answer» When the moon is at the farthest from the earth in its orbit, it is apogee.

Discussion

68.	What is the period of waxing moon?
Answer» The period of waxing moon is the fortnight from new moon to full moon in which the illuminated part of the moon from the earth keeps on increasing (waxing)

Discussion

69.	Define the following:Lunar Eclipse.
Answer» On a full moon day, the . moon’s path of revolution passes through the thick shadow of the earth and the moon becomes totally or partially invisible. This phenomenon is called lunar eclipse.

Discussion

70.	Select the correct option.Solar eclipse
Answer» Correct option is: (b)

Discussion

71.	Select the correct option.Apogee position of the moon.
Answer» Correct option is: (c)

Discussion

72.	Define the following:Annular Solar eclipse.
Answer» Sometimes when the moon is in apogee position, a deep shadow of the moon is cast in space & does not reach the earth. From a very small region of the earth, only an illuminated edge of the sun disc is seen in the form of a ring. This is called annular solar eclipse.

Discussion

73.	Select the correct option.The shape of sun disc at the time of annular solar eclipse.
Answer» Correct option is: (a)

Discussion

74.	Differentiate between (a) Dew and frost (b) Fog and mist
Answer» The land absorbs heat during the day, and at night the land becomes cold soon. The result is that the cooled air deposits its moisture on the surface of objects which come into contact with it. This deposit of water is called dew. Frost: There are places on the earth where the night temperature falls below 0° Celsius. Tiny ice crystals are formed in such places. This form of condensation is called frost. Fog and mist: Fog or mist is the result of condensation around the minute dust. Particles in the lower atmosphere. If the range of visibility is less than one kilometer, it is termed fog. If the rate of visibility is more than one kilometer, it is called mist.

74.

Differentiate between (a) Dew and frost (b) Fog and mist

Answer»

The land absorbs heat during the day, and at night the land becomes cold soon. The result is that the cooled air deposits its moisture on the surface of objects which come into contact with it. This deposit of water is called dew.

Frost:

There are places on the earth where the night temperature falls below 0° Celsius. Tiny ice crystals are formed in such places. This form of condensation is called frost.

Fog and mist:

Fog or mist is the result of condensation around the minute dust. Particles in the lower atmosphere. If the range of visibility is less than one kilometer, it is termed fog. If the rate of visibility is more than one kilometer, it is called mist.

Discussion

Explore topic-wise InterviewSolutions in .

What is a Transit?

Define the following:Transit.

Name the following:Types of solar eclipse.

Write short note on:Occupation.

Name the following:Eclipse that confuses animals and birds.

Define the following:Solar Eclipse.

Write short note on:Characteristics of lunar eclipse.

Why do the sun, the moon and the earth not lie in one and the same line on every full moon and new moon day?

Name the following:Types of lunar eclipse.

Define the following:Perigee.

Define the following:Occultation.

Complete the following table.DetailsLunar EclipseSolar EclipsePhase of the moon……………………SequenceMoon-Earth-Sun…………Type of Eclipse……………………Maximum duration of total eclipse107 minutes…………….

What precautions should we take while observing a solar eclipse?

Define the following:Apogee.

What is the period of waxing moon?

Define the following:Lunar Eclipse.

Select the correct option.Solar eclipse

Select the correct option.Apogee position of the moon.

Define the following:Annular Solar eclipse.

Select the correct option.The shape of sun disc at the time of annular solar eclipse.

Differentiate between (a) Dew and frost (b) Fog and mist