1
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Electrons used in an electron microscope are accelerated by a voltage of 25 kV. If the voltage is increased to 100 kV then the de-Broglie wavelength associated with the electrons would
A
increase by 2 times
B
decrease by 2 times
C
decrease by 4 times
D
increase by 4 times
2
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
A current carrying closed loop in the form of a right angle isosceles triangle ABC is placed in uniform magnetic field acting along AB. If the magnetic force on the arm BC is $$\overrightarrow {F,} $$ the force on the arm AC is

AIPMT 2011 Prelims Physics - Moving Charges and Magnetism Question 54 English
A
$$ - \sqrt 2 \,\overrightarrow F $$
B
$$-$$ $$\,\overrightarrow F $$
C
$$\,\overrightarrow F $$
D
$$\sqrt 2 \,\overrightarrow F $$
3
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
The wavelength of the first line of Lyman series for hydrogen atom is equal to that of the second line of Balmer series for a hydrogen like ion. The atomic number Z of hydrogen like ion is
A
3
B
4
C
1
D
2
4
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
The power obtained in a reactor using U235 disintegration is 1000 kW. The mass decay of U235 per hour is
A
10 microgram
B
20 microgram
C
40 microgram
D
1 microgram
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