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12th Physics Question Bank (2009-17)

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Asked: December 18, 2022In: 12th Physics Question Bank (2009-17)

β Ray are deflected in___

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Asked: December 18, 2022In: 12th Physics Question Bank (2009-17)

The height of a TV transmission tower at any place on the surface of the Earth is 245 m. Maximum distance up to which transmission of tower reach is___

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Asked: December 21, 2022In: 12th Physics Question Bank (2009-17)

Consider the following statements:

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Statements I: Out of galvanometer, ammeter, and voltmeter the distance is highest of voltmeter and lowest of ammeter. Statements II: An ammeter is always connected in series,  but the voltmeter is connected in parallel in any electric circuit.

Statements I: Out of galvanometer, ammeter, and voltmeter the distance is highest of voltmeter and lowest of ammeter.

Statements II: An ammeter is always connected in series,  but the voltmeter is connected in parallel in any electric circuit.

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Asked: December 18, 2022In: 12th Physics Question Bank (2009-17)

Two cells of emf ε₁ and ε₂ internal resistance r₁ and r₂ connected in parallel. The equivalent emf. of the combination is:

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Asked: December 20, 2022In: 12th Physics Question Bank (2009-17)

The phase difference between electric and magnetic fields in an Electromagnetic wave is

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Asked: December 24, 2022In: 12th Physics Question Bank (2009-17)

The focal length of a person’s cornea is 1.8 cm, and to get relief from eye defect he wears a correcting lens with f= – 16.5 cm at a distance of x=1.5 cm from his cornea of eye. what is the image distance measure from the cornea for the light coming from a distance object?

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Asked: December 12, 2022In: 12th Physics Question Bank (2009-17)

The number of photons of frequency 10¹⁰ Hz in radiation of 6.62 J will be:

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Asked: December 18, 2022In: 12th Physics Question Bank (2009-17)

Which series of hydrogen spectrum does not lie in infrared reason?

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Asked: December 14, 2022In: 12th Physics Question Bank (2009-17)

Permeability μ of a ferromagnetic substance___

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Asked: December 21, 2022In: 12th Physics Question Bank (2009-17)

Consider the following statements:

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Statement I: The electric lines of forces do not Intercept.  Statement II:  The direction of the tangent drawn on any point of the electric line of forces indicates intensity of field at that point.

Statement I: The electric lines of forces do not Intercept.

 Statement II:  The direction of the tangent drawn on any point of the electric line of forces indicates intensity of field at that point.

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    Added an answer on December 21, 2022 at 12:21 pm

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