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CBSE Class 10 Answered

Moon
Asked by | 14 Jun, 2008, 04:48: PM
answered-by-expert Expert Answer

The red colour in the sky at sunset (and sunrise) is due to an effect called Rayleigh scattering this effect does not occur with moon

Answered by | 17 Jun, 2008, 09:59: 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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CBSE 10 - Physics
the resistance of a wire of 0.01 cm radius is 10 ohm.if the resistivity of the material of the wire is 50*10^-8 ohm meter find the length of the wire
Asked by prassanna.j | 03 Sep, 2023, 12:28: PM
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CBSE 10 - Physics
Nichrome wire of length L and radius R has resistance 10 ohm.How would the resistance of the wire change when: only diameter of the wire is doubled?Justify 
Asked by prassanna.j | 03 Sep, 2023, 12:21: PM
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CBSE 10 - Physics
The resistance of a resistor is kept constant and the potential difference across its two ends is decreased to half of its former value.State the change that will occur in the current through it.
Asked by prassanna.j | 03 Sep, 2023, 12:13: PM
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CBSE 10 - Physics
A given length of a wire is doubled of itself and this process is repeated once again.By what factor does the resistance of the wire changes?
Asked by prassanna.j | 03 Sep, 2023, 12:11: PM
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CBSE 10 - Physics
 A 6 ohm resistance is doubled by folding,what is the new resistance?
Asked by prassanna.j | 28 Aug, 2023, 09:49: PM
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CBSE 10 - Physics
what is concave mirror?
Asked by Shiwani.Sawant | 28 Jul, 2023, 09:42: PM
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CBSE 10 - Physics
CASE STUDY : Light is a form of energy which induced sensation of vision to our eyes. It becomes visible when it bounces off on surface and hits our eyes. Regular reflection takes place through a smooth polished surface. The mirror outside the driver side of the vehicle is usually a spherical mirror and printed on such mirror is usually the warning "Vehicles in this mirror are closer than they appear". (i) What is the reason for this warning written on the mirror ? (ii) Draw a ray diagram showing the image formation in such kind of mirror. (iii) State two positions in which a concave mirror produces a magnified image of a given object. (iv) How is linear magnification it related to object distance and image distance ?
Asked by susrisangita792 | 23 Jul, 2023, 09:13: AM
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CBSE 10 - Physics
first image formed which retina
Asked by udaykuna006 | 16 Jul, 2023, 07:20: PM
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