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An object is placed in front of a lens b...

An object is placed in front of a lens between its optical centre and the focus and forms a virtual, erect and diminished image.
Draw a ray diagram to show the formation of the image with the above stated characteristics.

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ICSE-SAMPLE PAPER 2011-SECTION-II
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  2. An object is placed in front of a lens between its optical centre and ...

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  3. An object is placed in front of a lens between its optical centre and ...

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  4. Name the type of waves which are used for sound ranging.

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  5. Why are these waves mentioned in (i) above, not audible to us?

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  6. Give one use of sound ranging.

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  13. What is a non-ohmic resistor ?

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  15. How much current will the bulb draw, if connected to a 250 V supply?

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  17. Three resistors are connected to a 12 V battery as shown in the figure...

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