NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 1191 - 1196 of 1258

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Question number: 1191

» Atomic Structure » Photoelectric Effect

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MCQ▾

Question

The wavelengths of two photons are and respectively. What is the ratio of their energies?

Choices

Choice (4) Response

a.

b.

2

c.

4

d.

Question number: 1192

» Atomic Structure » Spectrum of Hydrogen Atom

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MCQ▾

Question

If an electron is present in level. How many spectral lines would be observed in case of H atom?

Choices

Choice (4) Response

a.

10

b.

15

c.

25

d.

20

Question number: 1193

» Atomic Structure » Nature of Electromagnetic Radiation

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Question

For cathode rays’ the value of -

Choices

Choice (4) Response

a.

Is

b.

Is independent of the nature of the cathode and the gas filled in the discharge tube

c.

Is constant

d.

All a. , b. and c. are correct

Question number: 1194

» Classification of Elements & Periodicity » Present Form of the Periodic Table

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MCQ▾

Question

Arrange in increasing order of their size –

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1195

» Atomic Structure » Spectrum of Hydrogen Atom

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MCQ▾

Question

Calculate the energy emitted when electron of atom of hydrogen undergo transition giving the spectral line of lowest energy in the visible region of its atomic spectrum

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1196

» Chemical Bonding » Ionic Bonding » Formation of Ionic Bonds

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MCQ▾

Question

Ionic bonds are usually formed by combination of elements with

Choices

Choice (4) Response

a.

Low ionisation energy and high electron affinity

b.

High ionisation energy and low electron affinity

c.

Low ionisation potential and low electron affinity

d.

High ionisation potential and high electron affinity