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Pick out the two scalar quantities in th...

Pick out the two scalar quantities in the following list :
Force, angular momentum, work, current linear momentum, electric field , average velocity, magnetic moment , relative velocity .

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Work and the only vector quantity in the following list :
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a. A steady current flows in a metallic conductor of non - uniform cross section. State which of the quantities i.e., current density, electric field, and drift velocity, current density, electric field, and drift velcoity remain constant? b. A steady current passes through a cylindrical conductor. Is there an electorn field inside the conductor?

2.Which of the following is a vector quantity? (1) Current (2) Pressure (3) Work (4) Linear momentum

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MODERN PUBLICATION-MOTION IN A PLANE -NCERT FILE (Solved) NCERT (Textbook Exercises)
  1. State , for each of the following physical quantities , if it is a sca...

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  2. Pick out the two scalar quantities in the following list : Force, an...

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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 algebric operations with scal...

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

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  6. निम्नलिखित असमिकाओं की ज्यामिति या किसी अन्य विधि द्वारा स्थापना कीजिए...

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

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

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

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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 4km/hr in still water. (a) How long does...

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  14. In a harbour , wind is blowing at the speed of 27 km //h and the fla...

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  15. The ceiling of a long hall is 25 m high. What is the maximum horizonta...

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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 a string 80 cm long is whirled in a horizo...

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  18. An aircraft executes a horizontal loop of radius 1 km with a steady sp...

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

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  20. The position of a particle is given by vec r= 3.0 t hat i - 2.0 t^2 h...

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