1
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Change Language
A certain metallic surface is illuminated with monochromatic light of wavelength, $$\lambda .$$ The stopping potential for photo-electric current for this light is 3V0. If the same surface is illuminated with light of wavelength 2 $$\lambda $$, the stopping potential is V0. The threshold wavelength for this surface for photo-electric effect is
A
$${\lambda \over 4}$$
B
$${\lambda \over 6}$$
C
6$$\lambda $$
D
4$$\lambda $$
2
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following figures represent the variation of particle momentum and the associated de-Broglie wavelength?
A
AIPMT 2015 Cancelled Paper Physics - Dual Nature of Radiation and Matter Question 70 English Option 1
B
AIPMT 2015 Cancelled Paper Physics - Dual Nature of Radiation and Matter Question 70 English Option 2
C
AIPMT 2015 Cancelled Paper Physics - Dual Nature of Radiation and Matter Question 70 English Option 3
D
AIPMT 2015 Cancelled Paper Physics - Dual Nature of Radiation and Matter Question 70 English Option 4
3
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Change Language
Consider 3rd orbit of He+ (Helium), using non-relativistic approach, the speed of electron in this orbit will be [given K = 9 $$ \times $$ 109 constant, Z = 2 and h (Planck's Constant) = 6.6 $$ \times $$ 10$$-$$34 J s]
A
0.73 $$ \times $$ 106 m/s
B
3.0 $$ \times $$ 108 m/s
C
2.92 $$ \times $$ 106 m/s
D
1.46 $$ \times $$ 106 m/s
4
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Change Language
Which logic gate is represented by the following combination of logic gates ?

AIPMT 2015 Cancelled Paper Physics - Semiconductor Electronics Question 100 English
A
AND
B
NOR
C
OR
D
NAND
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12