IIT-JEE 1988 | Structure of Atom Question 72 | Chemistry

IIT-JEE 1988

MCQ (Single Correct Answer)

-0.25

The wavelength of a spectral line for an electronic transition is inversely related to :

The number of electrons undergoing the trasition

The nuclear charge of the atom

the difference in the energy of the energy levels involved in the transition

the velocity of the electron undergoing the transition

IIT-JEE 1988

MCQ (Single Correct Answer)

-0.25

The triad of nuclei that is isotonic is

$${}_6^{14}C$$, $${}_7^{15}N$$, $${}_9^{17}C$$

$${}_6^{12}C$$, $${}_7^{14}N$$, $${}_9^{19}C$$

$${}_6^{14}C$$, $${}_7^{14}N$$, $${}_9^{17}C$$

$${}_6^{14}C$$, $${}_7^{14}N$$, $${}_9^{19}C$$

IIT-JEE 1986

MCQ (Single Correct Answer)

-0.25

Rutherford's alpha particle scattering experiment eventually led to the conclusion that:

mass and energy are related

electrons occupy space around the nucleus

neutrons are buried deep in the nucleus

the point of impact with matter can be precisely determined

IIT-JEE 1986

MCQ (Single Correct Answer)

-0.25

The ratio of the energy of a photon of 2000Å wavelength to that 4000Å radiation is

1/4

1/2

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