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GATE Coaching

GATE Coaching

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H

Himanshu 01 Jun in  GATE Coaching classes

If the number atoms in the ground state is lesser than the excited state, it is called ………….

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Honey 01 Jun in  GATE Coaching classes

The life time of atoms in the excited state is normally ……………

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I

Irfan 01 Jun in  GATE Coaching classes

The life time of atoms in the metastable state is ………….

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Y

Yoga 01 Jun in  GATE Coaching classes

A ruby is a crystal of …….. , in which of Al+3 ions are replaced by Cr+3 ions.

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C

Chiranjib 01 Jun in  GATE Coaching classes

The wavelength of green colour is ………...

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S

Sangeetha 01 Jun in  GATE Coaching classes

The wavelength of red colour is ………..

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E

Elnaz 01 Jun in  GATE Coaching classes

He-Ne laser system consists of a quartz discharge containing helium and neon in the ratio of … ………. at a pressure of about 1mm of Hg.

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A

Akhil 01 Jun in  GATE Coaching classes

The wavelength of the emitted photon in the He-Ne laser system …………..

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N

Naveen 01 Jun in  GATE Coaching classes

The beam that is used in endoscopy is …………

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V

Vikas 01 Jun in  GATE Coaching classes

The beam that is used in holography is ………….

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R

Riishu 01 Jun in  GATE Coaching classes

The maser action is based on the principle of ……….. followed by stimulated emission.

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D

Durgesh 01 Jun in  GATE Coaching classes

The ……… ions are used as maser materials.

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S

Shantham 01 Jun in  GATE Coaching classes

Practical maser materials are often ………… ions doped as impurities in ionic crystals.

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V

Venu 01 Jun in  GATE Coaching classes

Maser is used in …………

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S

Sanjay 01 Jun in  GATE Coaching classes

In maser, the emitted photon belongs to the ………… frequencies.

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S

Sai 01 Jun in  GATE Coaching classes

The ratio of the radii of the first three orbits of an atom is ………….

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P

Poonam 01 Jun in  GATE Coaching classes

The cathode rays are a stream of …………..

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S

Shishir 01 Jun in  GATE Coaching classes

According to Bohr’s postulates ……….. quantity take discrete values.

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H

Hari 01 Jun in  GATE Coaching classes

For hydrogen atom, the minimum energy required to remove an electron from the first orbit to the outermost orbit is ………..

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S

Shilpa 01 Jun in  GATE Coaching classes

According to Rutherford atom model, atoms will give only ……….. spectrum.

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V

Vathsala 01 Jun in  GATE Coaching classes

The elliptical orbits of electron in the atom were proposed by ……………

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A

Akhileshwar 01 Jun in  GATE Coaching classes

X ray is the phenomenon of conversion of kinetic energy into ……….

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J

Joseph 01 Jun in  GATE Coaching classes

The chromium ions doped in the ruby rod absorbs …….. light.

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N

Neetu 01 Jun in  GATE Coaching classes

Canal rays travel ………. than the cathode rays.

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S

Shabeena 01 Jun in  GATE Coaching classes

The spectra of alkali metals such as K, Na etc cannot be explained by ………… atom model.

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