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State True or False. Correct the false s...

State True or False. Correct the false statement:
A convex mirror is used in flood lights.

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State whether the following statements are true or false. Correct the false statements: A convex mirror is used in flood lights.

State True or False. Correct the false statement: If the mirrors are kept at right angle to each other, the number of images formed will be 4.

State whether the following statements are true or false. Correct the false statements: A concave mirror always forms a real and inverted image.

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CHETANA PUBLICATION-MAS03-EXERCISE
  1. Find the odd one out: Submarines, icebergs, internal organ, sunken s...

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  2. Complete the analogy: Propene : double bond : : Propyne : …………. .

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  3. State True or False. Correct the false statement: A convex mirror is ...

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  4. What is dye?

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  5. Match the columns:

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  6. Bats can navigate in dark.

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  7. Give reasons, (any 2) Methane is used as a domestics fuel.

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  8. Give scientific reasons: Bleaching powder has the odour of chlorine.

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  9. Give the uses of Coal.

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  10. If you hear the thunder 20 seconds after you see the flash of lightnin...

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  11. An object 10 cm in height is placed at a distance of 36 cm from a conc...

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  12. The speed of sound in air at 0^@C is 332 m//s. If it increases at the ...

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  13. Give structural formula and electron dot model of methane.

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  14. What is an echo? What factors are important to get a distinct echo?

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  15. Write a short note on biogas plant. (3) Give the properties and uses o...

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  16. Explain the sign conventions for reflection by spherical mirrors

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  17. Hydrogen gas is filled in two identical bottles, A and B, at the same ...

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  18. Explain the following SCImical reactions with the help of a balanced e...

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  19. Explain the following SCImical reactions with the help of a balanced e...

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  20. Write the properties and uses of Teflon.

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