एक छड़ चुंबक के अंदर बल की चुंबकीय रेखाएँ:
Anonymous Quiz
16%
मौजूद नहीं है
32%
बार चुंबक के क्रॉस-सेक्शन के क्षेत्र पर निर्भर करता है
27%
चुंबक के एन-पोल से एस-पोल तक हैं
25%
चुंबक के एस-पोल से एन-पोल तक हैं।
चुम्बक के जड़त्व आघूर्ण को चौगुना करने पर उसके दोलन की आवृत्ति हो जाएगी :
Anonymous Quiz
36%
आधा
29%
डबल
22%
चार बार
13%
एक चौथाई
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No
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No
The Combination of which of the following processes results in the formation of a Rainbow?
Anonymous Quiz
49%
Dispersion and Total Internal Reflection
16%
Dispersion and Absorption
29%
Refraction and Scattering
5%
Dispersion and Focussing
The magnifying power of an astronomical telescope in normal adjustment is 100. What is the focal length of the objectives and eyepiece of the distance between them is 101 cm?
Anonymous Quiz
22%
1 cm and 10 cm respectively
33%
1 cm and 100 cm respectively
25%
10 cm and 1 cm respectively
19%
100 cm and 1 cm respectively
निम्नलिखित में से किस प्रक्रिया के संयोजन से इंद्रधनुष का निर्माण होता है?
Anonymous Quiz
24%
फैलाव और कुल आंतरिक प्रतिबिंब
18%
फैलाव और अवशोषण
46%
अपवर्तन और प्रकीर्णन
12%
फैलाव और फोकसिंग
सामान्य समायोजन में एक खगोलीय दूरदर्शी की आवर्धन शक्ति 100 होती है। उद्देश्यों की फोकस दूरी और उनके बीच की दूरी की ऐपिस 101 सेमी है?
Anonymous Quiz
21%
क्रमशः 1 सेमी और 10 सेमी
37%
क्रमशः 1 सेमी और 100 सेमी
23%
क्रमशः 10 सेमी और 1 सेमी
19%
क्रमशः 100 सेमी और 1 सेमी
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