1
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
For a series LCR circuit the power loss at resonance is
A
$${{{V^2}} \over {\left[ {\omega L - {1 \over {\omega C}}} \right]}}$$
B
$${I^2}L\omega $$
C
$${I^2}R$$
D
$${{{V^2}} \over {C\omega }}$$
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 2002
MCQ (Single Correct Answer)
+4
-1
Which of the following is not the property of cathode rays ?
A
In produces heating effect
B
It does not deflect in electric field
C
It casts shadow
D
It produces fluorscence.
4
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
A bulb is located on a wall. Its image is to be obtained on a parallel wall with the help of convex lens. The lens is placed at a distance d ahead of second wall, then required focal length will be
A
only $${d \over 4}$$
B
only $${d \over 2}$$
C
more than $${d \over 4}$$ but less than $${d \over 2}$$
D
less than $${d \over 4}$$