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CBSE Class 10 Answered

sir if we keep a red hot glass in a drak room what will happen to the glass?
Asked by uamang momaiya | 14 Dec, 2011, 10:09: PM
answered-by-expert Expert Answer
hot bodies radiate heat.the wave length and frequency of the radiated heat depends on the temperature of the object. temperature decides whether it will radiate infrared or visible or ultraviolet rays.
Answered by | 15 Dec, 2011, 11:43: PM

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CBSE 10 - Physics
what type of image produced by plane mirror
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CBSE 10 - Physics
how is light made
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CBSE 10 - Physics
what are the ray diagrams??
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CBSE 10 - Physics
student observes the above phenomenon in the lab as a white light passes through a prism. Among many other colours, he observed the position of the two colours Red and Violet. What is the phenomenon called? What is the reason for the violet light to bend more than the red light?
Asked by saurabhjd527 | 30 Jan, 2024, 07:55: PM
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CBSE 10 - Physics
If rays are coming from a different object to adouble convex lens with two different refractive indices Mu1 and Mu 2 above and below the principal axis, explain how many images will be seen?
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Asked by subrasixty | 13 Jan, 2024, 05:05: PM
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CBSE 10 - Physics
Is object distance always negative in both lens and mirrors?
Asked by nandanagnair | 17 Dec, 2023, 03:44: PM
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CBSE 10 - Physics
The image of a candle flame placed at a distance of 30 cm from a spherical lens is formed on a screen placed at a distance of 60 cm from the lens. If the height of the flame is 2.4 cm,find the height of its image 
Asked by namish1088 | 16 Nov, 2023, 08:09: PM
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CBSE 10 - Physics
describe the refraction taking place in the rainbow formation  
Asked by 0 0 | 19 Oct, 2023, 03:51: PM
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CBSE 10 - Physics
what is the magnification of the image when v=30 cm and u= 15cm
Asked by bubbynaik77 | 29 Sep, 2023, 09:34: PM
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CBSE 10 - Physics
what is defination of light
Asked by gurcharansingh37306 | 10 Sep, 2023, 12:53: PM
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