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A concave mirror forms an image of 20cm high object on a screen placed 5m away from the mirror.the height of the image is 50cms .find the focal lenght of mirror and distance between the mirror and the object
Asked by sridhark91 | 16 Mar, 2019, 07:11: PM
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Answered by Ankit K | 16 Mar, 2019, 08:02: PM
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JEE main - Physics
A double convex lens has two surface of equal radii R and refractive index 1.5 ,then focal length f
Asked by sreelekhachakali2006 | 15 Mar, 2024, 10:35: AM
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JEE main - Physics
a prism of refractive index 1.5 produces minimum deviation 40. find the angle of prism
Asked by ramanjaneyuluoguru | 22 Jan, 2024, 12:30: PM
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JEE main - Physics
a concave lens is dipped in a liquid whose, refractive index is equal to refractive index of the lens then it's focal length of lens is
Asked by kumarpurshotam451 | 29 Sep, 2023, 03:46: PM
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JEE main - Physics
the apprent depth of water in cylinderical water tank of diameter 2R is reducing at the rate of x cm/min when is being drained out at a constant rate . the amount of water drained in cc/min is
Asked by kumarpurshotam451 | 27 Sep, 2023, 04:57: PM
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JEE main - Physics
Question is in the image attached
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Asked by swayamagarwal2114 | 15 Jul, 2022, 09:19: AM
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JEE main - Physics
Question is in the image attached
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Asked by swayamagarwal2114 | 15 Jul, 2022, 09:18: AM
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JEE main - Physics
why laser light is difficult to obtain at infrared wavelengths as compared to ultraviolet wavelengths?
Asked by 3047-manvir | 05 Jul, 2022, 12:09: PM
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JEE main - Physics
plz solve this numerical ***************************** A coherent length of sodium D2 line is 2.5 cm .deduce coherence time , spectral width of line, and purity factor .given wavelength=5990A°
Asked by 3047-manvir | 04 Jul, 2022, 12:33: PM
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JEE main - Physics
solve this
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Asked by arpitarout132 | 30 Apr, 2022, 04:40: PM
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JEE main - Physics
help
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Asked by arpitarout132 | 30 Apr, 2022, 04:38: PM
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