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Showing posts with label NEET 2007. Show all posts
Showing posts with label NEET 2007. Show all posts

21. The position x of a particle with respect to time t along x-axis is given by x = 9t2 − t3 where x is in metres and t in second. What will be the position of this particle when it achieves maximum speed along the +ve x direction?

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20. A particle moving along x-axis has acceleration f, at time t, given by f = f0(1 − t/T) , where f0 and T are constants. The particle at t = 0 has zero velocity. In the time interval between t = 0 and the instant when f = 0, the particle’s velocity (vx) is

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5. A car moves from X to Y with a uniform speed vu and returns to Y with a uniform speed vd. The average speed for this round trip is

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98. In the following circuit, the output Y for all possible inputs A and B is expressed by the truth table ?

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35. For a cubic crystal structure which one of the following relations indicating the cell characteristics is correct?

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34. In the energy band diagram of a material shown below, the open circles and filled circles denote holes and electrons respectively. The material is ?

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34. In the energy band diagram of a material shown below, the open circles and filled circles denote holes and electrons respectively. The m...

22. The frequency of a light wave in a material is 2 × 10¹⁴ Hz and wavelength is 5000A ̊ . The refractive index of material will be ?

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21. A small coin is resting on the bottom of a beaker filled with liquid. A ray of light from the coin travels upto the surface of the liquid and moves along its surface. How fast is the light travelling in the liquid ?

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21. A small coin is resting on the bottom of a beaker filled with liquid. A ray of light from the coin travels upto the surface of th...

Two condensers, one of capacity C and other of capacity C/2 are connected to a V -volt battery, as shown. The work done in charging fully both the condensers is ?

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Charges +q and −q are placed at points A and B respectively which are a distance 2L apart, C is the midpoint between A and B. The work done in moving a charge +Q along the semicircle CRD is ?

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A hollow cylinder has a charge q coulomb within it. If φ is the electric flux in units of voltmeter associated with the curved surface B, the flux linked with the plane surface A in units of voltmeter will be ?

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Three point charges +q, −q and +q are placed at points (x = 0, y = a, z = 0),(x = 0, y = 0, z = 0) and (x = a, y = 0, z = 0) respectively. The magnitude and direction of the electric dipole moment vector of this charge assembly are ?

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A block B is pushed momentarily along a horizontal surface with an initial velocity V. If μ is the coefficient of sliding friction between B and the surface, block B will come to rest after a time

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