1
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
If particles are moving with same velocity, then which has maximum de Broglie wavelength?
A
proton
B
$$\alpha $$-particle
C
neutron
D
$$\beta $$-particle
2
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
The value of Planck's constant is
A
6.63 $$ \times $$ 10$$-$$34 J/sec.
B
6.63 $$ \times $$ 10$$-$$34 kg-m2/sec
C
6.63 $$ \times $$ 10$$-$$34 kg-m2
D
6.63 $$ \times $$ 10$$-$$34 J-sec.
3
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
In Thomson mass spectrograph $$\overrightarrow E \bot \overrightarrow B $$ then the velocity of electron beam will be
A
$${{\left| {\overrightarrow E } \right|} \over {\left| {\overrightarrow B } \right|}}$$
B
$$\overrightarrow E \times \overrightarrow B $$
C
$${{\left| {\overrightarrow B } \right|} \over {\left| {\overrightarrow E } \right|}}$$
D
$${{{{\overrightarrow E }^2}} \over {{{\overrightarrow B }^2}}}$$
4
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Which one among the following shows particle nature of light?
A
photo electric effect
B
interference
C
refraction
D
polarization.
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