Q. 23A4.8( 9 Votes )
It is a convex mirror. It is used as a rear-view mirror in vehicles as it produces an erect image of an object always and the image is smaller than an object.
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Under which of the following conditions the real image formed by a concave mirror is larger than the actual object?NCERT - Science Exemplar
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(i) between its pole and focus
(ii) between its centre of curvature and focus
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A beam of white light falling on a glass prism gets split up into seven colours marked 1 to 7 as shown in the diagram.
A student makes the following statements about the spectrum observed on the screen.
i. The colours at positions marked 3 and 5 are similar to the colour of the sky and the colour of gold metal respectively.
ii. Which two positions correspond closely to the colour of?
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Mr. Raghav, grade 6 teacher find that his students do not draw when he draws on the board. Every time he had to turn towards them to see whether they draw and label the diagrams. Arav, one of his student fixed two big convex mirrors at the two sides of the black board. With this Mr. Raghav was able to draw and also supervise his students through the mirror. All the students started doing their work property.
(i) Which characteristics of convex lens, let Mr. Raghav to do both his job at the same time?
(ii) What value did Arav and Mr. Raghav show?All In One Science