AIPMT 2010 Mains | Structure of Atom Question 42 | Chemistry

AIPMT 2010 Mains

MCQ (Single Correct Answer)

-1

A 0.66 kg ball is moving with a speed of 100 m/s. The associated wavelength will be

(h = 6.6 $$ \times $$ 10^$$-$$34 J s)

6.6 $$ \times $$ 10^$$-$$32 m

6.6 $$ \times $$ 10^$$-$$34 m

1.0 $$ \times $$ 10^$$-$$35 m

1.0 $$ \times $$ 10^$$-$$32 m

AIPMT 2009

MCQ (Single Correct Answer)

-1

Which of the following is not permissible arrangement of electrons in an atom ?

n = 5, $$l$$ = 3, m = 0, s = +1/2

n = 3, $$l$$ = 2, m = $$-$$ 3, s = $$-$$1/2

n = 3, $$l$$ = 2, m = $$-$$ 2, s = $$-$$1/2

n = 4, $$l$$ = 0, m = 0, s = $$-$$1/2

AIPMT 2009

MCQ (Single Correct Answer)

-1

Maximum number of electrons in a subshell of an atom is determined by the following

2$$l$$ + 1

4$$l$$ $$-$$ 2

2n²

4$$l$$ + 2

AIPMT 2008

MCQ (Single Correct Answer)

-1

If uncertainty in position and momentum are equal, then uncertainty in velocity is

$${1 \over m}\sqrt {{h \over \pi }} $$

$$\sqrt {{h \over \pi }} $$

$${1 \over {2m}}\sqrt {{h \over \pi }} $$

$$\sqrt {{h \over {2\pi }}} $$

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