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

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

Question Image
Grade:12

3 Answers

Arun
25763 Points
one year 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
one year 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
one year 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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