1
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
The electric and the magnetic field, associated with an e.m. wave, propagating along the +z-axis, can be represented by
A
$$\left[ {\overrightarrow E = {E_0}\widehat i,\overrightarrow B = {B_0}\widehat j} \right]$$
B
$$\left[ {\overrightarrow E = {E_0}\widehat k,\overrightarrow B = {B_0}\widehat i} \right]$$
C
$$\left[ {\overrightarrow E = {E_0}\widehat j,\overrightarrow B = {B_0}\widehat i} \right]$$
D
$$\left[ {\overrightarrow E = {E_0}\widehat j,\overrightarrow B = {B_0}\widehat k} \right]$$
2
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
The decreasing order of wavelength of infrared, microwave, ultraviolet and gamma rays is
A
microwave, infrared, ultraviolet, gamma rays
B
gamma rays, ultraviolet, infraref, microwaves
C
microwaves, gamma rays, infrared, ultraviolet
D
infrared, microwave, ultraviolet, gamma rays
3
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Which of the following is not due to total internal reflection ?
A
Working of optical fibre
B
difference between apparent and real depth of a pond
C
Mirage on hot summer days
D
Brilliance of diamond
4
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
A biconvex lens has a radius of curvature of magnitude 20 cm. Which one of the following options describe best the image formed of an object of height 2 cm placed 30 cm from the lens ?
A
Virtual, upright, height = 1 cm
B
Virtual, upright, height = 0.5 cm
C
Real, inverted, height = 4 cm
D
Real, inverted, height = 1 cm
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