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State , for each of the following physi...

State , for each of the following physical quantities , if it is a scalar or a vector : volume , mass , speed , acceleration , density , number of moles , velocity , angular frequency , displacement , angular velocity .

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The correct Answer is:
Volume , mass , speed , density , number of moles , angular frequency are scalars ; the rest are vect
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NCERT BANGLISH-MOTION IN A PLANE-EXCERCISES
  1. State , for each of the following physical quantities , if it is a s...

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  2. Pick out the two scalar quantities in the following list : force , ang...

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  3. Pick out the only vector quantity in the following list : Temperature ...

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  4. State with reasons , whether the following algebraic operations with s...

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  5. Read each statement below carefully and state with reasons , if it is ...

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  6. Establish the following vector inequalities geometrically or otherwise...

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  7. Given a+b+c+d=0 , which of the following statements are correct (...

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  8. Three girls skatting on a circular ice ground of radius 200 m start...

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  9. A cyclist starts from the centre O of a circular park of radius 1 km ...

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  10. On an open ground , a motorist follows a track that turns to his left ...

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  11. A passenger arriving in a new town wishes to go from the station to a ...

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  12. Rain is falling vertically with a speed of 30 ms^(-1) . A woman rides ...

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  13. A man can swim with a speed of 4.0 km/h in still water . How long doe...

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  14. In a harbour , wind is blowing at the speed of 72 km/h and the flag on...

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  15. The celling of a long hall is 25 m high What is the maximum horizontal...

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  16. A cricketer can throw a ball to a maximum horizontal distance of 100 m...

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  17. A stone tied to the end of astring 80 cm long is whirled in a horizon...

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  18. An aircraft executes a horizontal loop of radius 1.00 km with a steady...

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  19. Read each statement below carefully and state , with reasons , if it i...

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  20. The position of a particle is given by r=3.0hati-2.0t^(2)hatj+4.0...

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