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CBSE Class 10 Answered

Source of light of kept at focus of mirror in headlighte of vehicles give reason    
Asked by Omane7596 | 11 Dec, 2019, 08:54: PM
answered-by-expert Expert Answer
When light source is at focal point of mirror, after reflection ligt rays become parallel as shown in figure.
 
When light rays are in parallel, intensity will not be decreased at long distance,
we get illumination  over a long distance
Answered by Thiyagarajan K | 11 Dec, 2019, 11:25: 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
what is concave mirror?
Asked by Shiwani.Sawant | 28 Jul, 2023, 09:42: PM
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CBSE 10 - Physics
A concave mirror has focal length of 20cm. At what distance from the mirror a 5cm tall object be placed so that it forms an image at 15cm from the mirror? Also calculate the size of the image formed.
Asked by anmol6745p | 16 Jul, 2023, 04:22: PM
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CBSE 10 - Physics
An object is kept at a distance of 15 cm from a (a) Convex mirror (b) Plane mirror The focal length of the convex mirror and the concave lens are 10 cm each. Draw the appropriate ray diagrams, showing the formation of image, in each of the three cases.
Asked by susrisangita792 | 02 Jun, 2023, 08:00: AM
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CBSE 10 - Physics
Very Short Answer Type Questions Name two mirrors used in this fair shop. Name the mirror in which the size of image is small.
Asked by susrisangita792 | 01 Jun, 2023, 06:25: PM
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CBSE 10 - Physics
can a convex mirror ever form a real image? If yes, under what condition?  
Asked by supriyarakshit.npph | 31 May, 2023, 08:49: AM
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CBSE 10 - Physics
how to draw a ray diagram for concave mirror (i) Parallel to pricipal axis (ii) Passing through center of curvature
Asked by priyankakiran2017 | 24 May, 2022, 06:36: PM
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CBSE 10 - Physics
if you placed an object at (1) between 'C' and F and (2) F then find the position of image, size and nature of image formed by a concave mirrors ( with ray diagrams)
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Asked by Jethanleapon | 03 Oct, 2021, 09:00: PM
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CBSE 10 - Physics
When an object is placed between pole and focus of a convex mirror, then what is the image formed?
Asked by saswatm74002 | 15 Aug, 2021, 01:09: PM
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