Why did Einstein write a letter to Franklin Roosevelt?
Solution and Explanation
Einstein wrote a letter to Franklin Roosevelt because he wanted to warn America that Germany had the ability to build and use the atomic bomb which if exploded in a port, would destroy the entire port as well as some of the surrounding territory.
Top Questions on A truly beautiful mind
- Explain what the reasons for the following are.
(i) Einstein leaving the school in Munich for good.
(ii) Einstein wanting to study in Switzerland rather than in Munich.
(iii) Einstein seeing in Mileva an ally.
(iv) What do these tell you about Einstein?- CBSE Class IX
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- A truly beautiful mind
- Do you think Innisfree is only a place, or a state of mind? Does the poet actually miss the place of his boyhood days?
- CBSE Class IX
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- A truly beautiful mind
1. ______the firefighters finally put out the fire. (They worked round the clock.)
2. She watched the sunset above the mountain,_____ (She noticed the colours blending softly into one another.)
3. The excited horse pawed the ground rapidly, _____(While it neighed continually.)
4. _____, I found myself in Bangalore, instead of Benaras. (I had taken the wrong train.)
5. _____, I was desperate to get to the bathroom. (I had not bathed for two days)
6. The stone steps,______ needed to be replaced. (They were worn down).
7. The actor received hundreds of letters from his fans, _______(They asked him to send them his photograph.)
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What kind of place is Innisfree? Think about:
(i) the three things the poet wants to do when he goes back there (stanza I);
(ii) what he hears and sees there and its effect on him (stanza II);
(iii) what he hears in his “heart’s core” even when he is far away from Innisfree (stanza III).
- CBSE Class IX
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- A truly beautiful mind
- By now you may have concluded that Innisfree is a simple, natural place, full of beauty and peace. How does the poet contrast it with where he now stands? (Read stanza III.)
- CBSE Class IX
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- A truly beautiful mind
Questions Asked in CBSE Class IX exam
- (i) The kind of person the doctor is (money, possessions)
(ii) The kind of person he wants to be (appearance, ambition)- CBSE Class IX
- The snake and the mirror
In Fig. 9.26, A, B, C and D are four points on a circle. AC and BD intersect at a point E such that ∠ BEC = 130° and ∠ ECD = 20°. Find ∠ BAC.
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- Angle Subtended by an Arc of a Circle
- Name the two temples the author visited in Kathmandu.
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- Kathmandu
Look up the dictionary entries for the words sympathy, familiarity, comfort, care, and surprise. Use the information given in the dictionary and complete the table.
Noun, Adjective, Adverb, Verb, Meaning:
sympathy
familiarity
comfort
care
surprise- CBSE Class IX
- If I were you
- How did Abdul Kalam earn his first wages?
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- My childhood