Electricity
Current Electricity
MCQ (Single Correct Answer)
Moving Charges and Magnetism
MCQ (Single Correct Answer)
Magnetism and Matter
MCQ (Single Correct Answer)
Electromagnetic Induction
MCQ (Single Correct Answer)
Electromagnetic Waves
MCQ (Single Correct Answer)
Modern Physics
Semiconductor Electronics
MCQ (Single Correct Answer)
1
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
The energy of hydrogen atom in nth orbit is En then the energy in nth orbit of singly ionised helium atom will be
A
4En
B
En/4
C
2En
D
En/2
2
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Maximum frequency of emission is obtained for the transition
A
n = 2 to n = 1
B
n = 6 to n = 2
C
n = 1 to n = 2
D
n = 2 to n = 6.
3
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The life span of atomic hydrogen is
A
fraction of one second
B
one year
C
one hour
D
one day
4
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The relation between $$\lambda $$ and T1/2 as (T1/2 $$ \to $$ half life)
A
T1/2 = $${{\ln 2} \over \lambda }$$
B
T1/2 ln2 = $$\lambda $$
C
T1/2 = $${1 \over \lambda }$$
D
($$\lambda $$ + T1/2) = ln2
NEET Subjects