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Important Questions

lnsolation

ICSE · Class 9 · Geography

Most important questions from lnsolation for ICSE Class 9 Geography board exam 2026. MCQs, short answer, and long answer questions with marks.

58 questions36 flashcards5 concepts

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A comparison chart illustrating the key differences between insolation (incoming solar radiation) and terrestrial radiation (outgoing Earth radiation), including their sources, wavelengths, and heatin
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58 Questions·
multiple choicemultiple correcttrue false

Sample Questions

1multiple correct
1 marks

Which statement about the Sun is correct?

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It is a star of average size, Its surface temperature is about 6000°C

The Sun is described as a star of average size with a surface temperature of about 6000°C.

2multiple choice
1 marks

Which statement about ultraviolet rays is correct?

Show answer

They are shorter waves reaching the Earth's surface as solar radiation

Ultraviolet rays are the shorter waves and reach the Earth's surface as solar radiation.

3multiple choice
1 marks

What is the Solar Constant?

Show answer

The amount of insolation reaching the outer limit of the atmosphere at 480 km

Solar Constant is defined as the amount of insolation reaching the outer limit at 480 km of the atmosphere.

4multiple choice
1 marks

Which is one of the three main processes by which the Earth's atmosphere is heated?

Show answer

Convection

Convection is one of the three main processes that heat the atmosphere.

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Frequently Asked Questions

What are the important topics in lnsolation for ICSE Class 9 Geography?
lnsolation covers several key topics that are frequently asked in ICSE Class 9 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in lnsolation — ICSE Class 9 Geography?
Understand the core concepts first, then work through the 58 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
How many important questions are there in lnsolation?
There are 58 practice questions available for lnsolation. These cover multiple question types including MCQs, short answer, and long answer questions.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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