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If phi = 3 eV and lambda = 248 nm then d...

If `phi = 3 eV` and `lambda = 248 nm` then de-broglie wavelength is

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JEE MAINS PREVIOUS YEAR-JEE MAIN 2021-PHYSICS SECTION B
  1. If phi = 3 eV and lambda = 248 nm then de-broglie wavelength is

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  3. As shown in the figure, a particle of mass 10 kg is placed at a point ...

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  4. A particle performs simple harmonic motion with a period of 2 second. ...

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  5. The voltage across the 10 resistor in the given circuit is x volt. ...

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  6. A bullet of mass 0.1 kg is fired on a wooden block to pierce through i...

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  7. Two separate wires A and B are stretched by 2 mm and 4 mm respectively...

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  8. A parallel plate capacitor has plate area 100 m^2 and plate separation...

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  9. The circuit shown in the figure consists of a charged capacitor of cap...

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  10. An npn transistor operates as a common emitter amplifier with a power ...

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  11. A person is swimming with a speed of 10 m/s at an angle of 120° with t...

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  12. A body of mass 2 kg moves under a force of (2hati +3hatj +5hatk) N. It...

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  13. A solid disc of radius 'a' and mass 'm' rolls down without slipping on...

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  14. The energy dissipated by a resistor is 10 mj in 1 s when an electric c...

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  15. For an ideal heat engine, the temperature of the source is 127^(@)C. I...

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  16. In a parallel plate capacitor set up, the plate area of capacitor is 2...

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  18. If one wants to remove all the mass of the earth to infinity in order ...

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  19. A force vecF=4hati+3hatj+4hatk is applied on an intersection point of ...

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