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1st ques.. Pls explain................................

1st ques..
 Pls explain................................

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Grade:12

3 Answers

Arun
25757 Points
3 years ago
Dear Muskan
 
Image is not clear. Please check and repost this. You can also post language here and image in attachment.
I will be happy to help you
Vikas TU
14149 Points
3 years ago
Dear student 
Image is not clear , 
Please post the complete image. 
We will happy to help you.
Good Luck 
Cheers 
Ayush_Deep
120 Points
3 years ago
Dear friend image is totally clear ,they are just making excuses.
The correct answer is option 4. In first case positive work is done 
In 2 case negative work is done . and in 3 case w=0.
As we know Q=U+W
Heat capacity of case 1 will be more than 3 
Heat capacity in case 2 will be less than case 3 .

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