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If the number of waves from a source is passing a point is 30 in a second, what is the frequency of the wave?

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ICSE-MODEL TEST PAPER 1-SECTION II
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  4. Observe the figure and answer the question Calculate the volume o...

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  6. Observe the figure and answer the question If the block is made o...

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  7. SI unit of speed

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  8. Convert 36 m/s into km/h.

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  9. What kind of motion does the plucked string of a guitar represent?

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  10. Which of the following is vector quantity-speed, force, area or volume...

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  11. A man jogs at a uniform speed of 10 km/h. How much distance will he co...

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  12. When is a body said to be in uniform motion?

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  13. Define the term weight and state its S.I. unit.

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  16. Define the term energy and state its S.I. unit

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  17. What kind of energy do fuels such as coal, petrol, dry wood, and batte...

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  18. If an elephant and a bull are running with the same speed, which one w...

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  19. Look at the figure of a ball resting on top of a wall. At A, it's ener...

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