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Question 1. Asked on :09 October 2021:05:38:46 PM

 किस लेंस के द्वारा सिर्फ काल्पनिक प्रतिबिंब बनता है?

-Added by priyanshu kumar Science » प्रकाश परावर्तन तथा अपवर्तन

Answer:

 concave lens


-Answered by Shruti Srivastva On 22 October 2021:04:33:02 PM

Question 2. Asked on :09 October 2021:05:38:14 PM

सरल सूक्ष्मदर्शी में किस लेंस का उपयोग होता है?

-Added by priyanshu kumar Science » प्रकाश परावर्तन तथा अपवर्तन

Answer:

 convex lens

-Answered by Shruti Srivastva On 22 October 2021:04:33:37 PM

Question 3. Asked on :09 October 2021:05:37:45 PM

 निर्गत किरण एवं अभिलंब के बीच के कोण को क्या कहते हैं?

-Added by priyanshu kumar Science » प्रकाश परावर्तन तथा अपवर्तन

Answer:

 निर्गत कोण

-Answered by Shruti Srivastva On 22 October 2021:04:33:58 PM

Question 4. Asked on :09 October 2021:05:37:14 PM

 एक अवतल दर्पण की फोकस दूरी 10 सेंटीमीटर है तो उसकी वक्रता त्रिज्या कितनी होगी?

-Added by priyanshu kumar Science » प्रकाश परावर्तन तथा अपवर्तन

Answer:

 20 cm

-Answered by Shruti Srivastva On 22 October 2021:04:34:26 PM

Question 5. Asked on :09 October 2021:05:36:46 PM

 साइड मिरर के रूप में प्रयुक्त कौन सा दर्पण होता है?

-Added by priyanshu kumar Science » प्रकाश परावर्तन तथा अपवर्तन

Answer:

 convex mirror

-Answered by Shruti Srivastva On 22 October 2021:04:34:42 PM

Question 6. Asked on :09 October 2021:05:35:43 PM

 फोटोग्राफी कैमरा का अभिदृश्यक कौन से लेंस का होता है?

-Added by priyanshu kumar Science » प्रकाश परावर्तन तथा अपवर्तन

Answer:

 convex lens

-Answered by Shruti Srivastva On 22 October 2021:04:34:58 PM

Question 7. Asked on :09 October 2021:05:34:05 PM

 जब प्रकाश की किरण हवा से कांच में प्रवेश करती है तो किस तरफ मुड़ जाती है?

-Added by priyanshu kumar Science » प्रकाश परावर्तन तथा अपवर्तन

Answer:

 near to the normal

-Answered by Shruti Srivastva On 22 October 2021:04:35:38 PM

Question 8. Asked on :09 October 2021:05:33:34 PM

 प्रकाश के परावर्तन के कितने नियम हैं?

-Added by priyanshu kumar Science » प्रकाश परावर्तन तथा अपवर्तन

Answer:

 two

-Answered by Shruti Srivastva On 22 October 2021:04:35:56 PM

Question 9. Asked on :09 October 2021:05:26:50 PM

किस दर्पण से वस्तु का बड़ा प्रतिबिंब बनता है?

-Added by priyanshu kumar Science » प्रकाश परावर्तन तथा अपवर्तन

Answer:

 concave mirror

-Answered by Shruti Srivastva On 22 October 2021:04:36:07 PM

Question 10. Asked on :09 October 2021:05:26:16 PM

 किस दर्पण से हमेशा वस्तु को छोटा प्रतिबिंब प्राप्त होता है?

-Added by priyanshu kumar Science » प्रकाश परावर्तन तथा अपवर्तन

Answer:

 convex mirror

-Answered by Shruti Srivastva On 22 October 2021:04:36:26 PM


 

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