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Which of the following is incorrect?...

Which of the following is incorrect?

A

The mass of an `H` atom is `1.66xx10^(-27) kg`.

B

Isotopes of an element duffer in the number of nucleous in their nuceli.

C

Elements of same mass number but different atomic number are known as isobars.

D

In a given electric field, `beta` particles are deflected more than `alpha` particles having large charge.

Text Solution

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The correct Answer is:
B
Isotones differ in the number of neutrons in their nuclei.
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R SHARMA-STRUCTURE OF ATOM-Follow-up Test
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  3. Which of the following is incorrect?

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  4. Avogardo's number is the number of atomic mass units in one

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  5. Mass sepctrometers are instruments that measure (i) the charge-to ma...

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  6. A beam of Ne^(+) ions in the mass spectrometer is split intosegments.

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  7. The electromagnetic spectrum consists of a continuous range of wavelen...

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  8. Electromagnetic waves in theregion have a wave length that is approxim...

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  9. Different kinds of electromagnetic radiations are simply electromagnet...

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  10. The intensity of radient enegry, according to the wave theory, is prop...

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  11. Which of the following are not electromagnetic waves? (i) sound wave...

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  12. Each type of electromagnetic radiation is spread over a specific range...

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  13. Which of the electromagnetic waves result from charges within the nucl...

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  14. In 1873, James Maxwell proposed that visible light consists of electro...

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  15. Which of the following is not correct?

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  16. Which of the following is not correct?

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  17. Calculate the wavenumber of yellow radiaiton having wave length 5800Å.

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  18. Each photon of light has a particaular amount (a quantum) of enegry. T...

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  19. Enegry of one mole of photons of radiation whose frequency is 5xx10^(4...

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  20. A 100 watt buble emits monochromatic light of wavelength 400 nm. Then ...

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