Earth - Study Mode

[#186] In which of the following areas, the "Midnight Sun" can be seen?
Correct Answer

(C) Arctic and Antarctica circle

Explanation

Solution: Midnight Sun is a name given the sun when it can be seen at midnight during the Arctic or Antarctic summer. This phenomenon occurs in summer months in places north of Arctic or south of Antarctic circle when Sun is visible in this region during mid night hours also.

[#187] Which one of the following cities does not have the same clock time as that of the other three cities at any given instant?
Correct Answer

(D) Addis Ababa (Ethiopia)

Explanation

Solution: Addis Ababa (Ethiopia) cities does not have the same clock time as that of the other three cities at any given instant.

[#188] Choose the incorrect statement
Correct Answer

(C) The Sun's rays are vertical at all places on the days of the equinoxes

Explanation

Solution: The statement that is incorrect is The Sun's rays are vertical at all places on the days of the equinoxes. This position is called the 'Winter Solstice'. On September 23, the Sun's rays fall vertically on the Equator. As a result, on this day the Sun illuminates the Northern and Southern Hemispheres equally, making the days and nights of approximately equal length all over the Earth.

[#189] Which of the following statements is/are correct? 1. A crossing of the International Date Line entails repeating one day when traveling westwards 2. A crossing of the International Date Line entails repeating one day when traveling eastwards 3. International Date Line is an internationally agreed line drawn parallel to the 180° meridian 4. International Date Line divides the Pacific Ocean into two equal parts.
Correct Answer

(B) 2, 3 and 4

Explanation

Solution: The following statements that are correct are A crossing of the International Date Line entails repeating one day when traveling eastwards, International Date Line is an internationally agreed line drawn parallel to the 180° meridian and International Date Line divides the Pacific Ocean into two equal parts.

[#190] What is the meaning of "Midnight Sun"?
Correct Answer

(D) Shining of Sun in Arctic and Antarctica circle

Explanation

Solution: The midnight sun is a natural phenomenon that occurs in the summer months in places north of the Arctic Circle or south of the Antarctic Circle, when the Sun remains visible at the local midnight.