AIPMT 2003 | Atoms and Nuclei Question 108 | Physics

AIPMT 2003

MCQ (Single Correct Answer)

-1

An electron is moving round the nucleus of a hydrogen atom in a circular orbit of radius r. The Coulomb force $$\overrightarrow F $$ between the two is

$$K{{{e^2}} \over {{r^2}}}\widehat r$$

$$ - K{{{e^2}} \over {{r^3}}}\widehat r$$

$$K{{{e^2}} \over {{r^3}}}\widehat r$$

$$ - K{{{e^2}} \over {{r^2}}}\widehat r$$

AIPMT 2003

MCQ (Single Correct Answer)

-1

Out of Syllabus

A nuclear reaction given by

_ZX^A $$ \to $$ _z+1Y^A + _$$-$$1e⁰ + $$\overline v $$ represents

$$\beta $$-decay

$$\gamma $$-decay

fusion

fission

AIPMT 2003

MCQ (Single Correct Answer)

-1

In which of the following systems will the radius of the first orbit (n = 1) be minimum ?

doubly ionized lithium

singly ionized helium

deuterium atom

hydrogen atom

AIPMT 2002

MCQ (Single Correct Answer)

-1

A deutron is bombarded on ₈O¹⁶ nucleus then $$\alpha $$-particle is emitted. The product nucleus is

₇N¹³

₅B¹⁰

₄Be⁹

₇N¹⁴

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