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An object is placed at a distance of 12 ...

An object is placed at a distance of 12 cm from a convex lens of focal length 8 cm. Find :
nature of the image

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`(1)/(f) =(1)/(v) - (1)/(u) , v= +24 cm` , real , inverted and magnified.
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ICSE-SELF ASSESSMENT PAPER -1-SECTION .B.
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  7. A pulley system has a velocity ratio of 4 and an efficiency of 90%, ca...

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  8. Name the radiations which are absorbed by the green house gases in the...

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  9. A radiation X is focused by a particular device on the bulb of a therm...

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  10. Name two factors on which the heat energy liberated by a body depends.

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  12. Name the law on which this principle is based.

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  13. Draw a diagram to show the energy changes in an oscillating simple pen...

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  15. An object is placed at a distance of 12 cm from a convex lens of focal...

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  16. State the factors affecting the resistance of a conductor.

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  18. State one use of radio-isotopes.

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