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
2
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Which logic gate is represented by the following combination of logic gates ?
A
AND
B
NOR
C
OR
D
NAND
3
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
If in a p-n junction, a square input signal of 10 V is applied, as shown,
then the output across RL will be
A
B
C
D
4
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
A mass m moves in a circle on a smooth horizontal plane with velocity v0 at a radius R0. The mass is attached to a string which passes through a smooth hole in the plane as shown. the tension in the string is increased gradually and finally m moves in a circle of radius $${{{R_0}} \over 2}$$.