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Recent questions tagged physical optics
+3
votes
1
answer
A student performs an experiment similar to Young’* Double Slit Experiment. Coherent light
asked
Apr 7, 2019
in
JEE
by
kratos
physical optics
waves and optics
jee
jee mains
+2
votes
1
answer
The antenna current of an AM broadcast transmitter, modulated to a depth of 40% by an audio sine wave is 11 A.
asked
Mar 29, 2019
in
JEE
by
kratos
demodulation
waves and optics
cbse
physical optics
jee
modulation
jee mains
class-12
+1
vote
1
answer
In the graphs that follow, a curve is drawn in the first graph of each pair. For the other graph in each pair, sketch
asked
Mar 28, 2019
in
JEE
by
kratos
waves and optics
sound
geometric optics
physical optics
jee
jee mains
+2
votes
1
answer
Which of the following is true of a single-slit diffraction pattern?
asked
Mar 21, 2019
in
JEE
by
kratos
physical optics
waves and optics
jee
jee mains
+1
vote
1
answer
Which tube in the accompanying diagram of a heart correctly represents the result of a successful coronary bypass operation ?
asked
Mar 15, 2019
in
JEE
by
kratos
waves and optics
physical optics
body fluids and circulation
class-11
jee
class-10
jee mains
class-12
+2
votes
1
answer
Your teacher gives you a slide with two closely spaced slits on it. She also gives you a laser with a wavelength λ = 632 nm.
asked
Feb 28, 2019
in
JEE
by
kratos
physical optics
waves and optics
jee
jee mains
+2
votes
1
answer
Plane sound waves of wavelength 0.12 m are incident on two narrow slits in a box with non-reflecting walls
asked
Feb 21, 2019
in
JEE
by
kratos
physical optics
waves and optics
jee
jee mains
+2
votes
1
answer
A Laser beam of wavelength λ = 632.8 nm is incident on two slits 0.20 mm apart. The separation between two consecutive bright interference
asked
Feb 17, 2019
in
JEE
by
kratos
waves and optics
cbse
physical optics
jee
optics
jee mains
class-12
interference
wave optics
+2
votes
1
answer
In an experiment to measure the wavelength of light using a double slit apparatus
asked
Jan 31, 2019
in
JEE
by
kratos
physical optics
waves and optics
jee
jee mains
+1
vote
1
answer
Answer the following questions:(a) Long distance radio broadcasts use short-wave bands. Why?
asked
Jan 2, 2019
in
JEE
by
kratos
waves and optics
acoustics
physical optics
electromagnetic waves
jee
class-10
jee mains
class-12
+2
votes
1
answer
From a radio station, the frequency of waves is 15 Mega cycle/sec. Calculate their wavelength.
asked
Dec 17, 2018
in
Chemistry
by
kratos
atom models
modern physics
acoustics
waves and optics
physical optics
class-11
jee
physical chemistry
class-10
atomic structure
jee mains
class-12
quantum physics
+3
votes
1
answer
TVs and computer monitors are made up of pixels, which are ******* dots very closely spaced together.
asked
Dec 16, 2018
in
JEE
by
kratos
distribution
waves and optics
physical optics
electromagnetic waves
jee
jee mains
transmission
class-12
wave optics
+3
votes
1
answer
A small vibrating object on the surface of a ripple tank is the source of waves of frequency 20 Hz and speed 60 cm/*.
asked
Dec 7, 2018
in
JEE
by
kratos
waves and optics
sound
physical optics
jee
jee mains
+2
votes
1
answer
A transmission diffraction grating with 600 lines/mm is used to study the line spectrum of the light produced
asked
Dec 3, 2018
in
Physics
by
kratos
waves and optics
modern physics
atom models
physical optics
jee
jee mains
quantum physics
+2
votes
1
answer
Two small speakers * are positioned a distance of 0.75 m from each other, as shown in the diagram.
asked
Nov 24, 2018
in
JEE
by
kratos
physical optics
waves and optics
jee
jee mains
+1
vote
1
answer
If one of the two slits in a Young’* double-slit demonstration of the interference of light
asked
Nov 13, 2018
in
JEE
by
kratos
physical optics
waves and optics
jee
jee mains
+2
votes
1
answer
A ray M is sent along the line (x -0)/2 = (y-2)/2 = (z - 1)/0 and is reflected by the plane x = 0 at point A.
asked
Oct 28, 2018
in
JEE
by
kratos
straight lines
waves and optics
physical optics
jee
parabola
jee mains
coordinate geometry
class-12
+2
votes
1
answer
In a Young'* double-slit experiment, the slit separation is doubled.
asked
Oct 23, 2018
in
JEE
by
kratos
physical optics
waves and optics
jee
jee mains
+1
vote
1
answer
Light of wavelength 5.0 x 10^–7 meter in air is incident normally (perpendicularly) on a double slit.
asked
Sep 29, 2018
in
JEE
by
kratos
waves and optics
geometric optics
physical optics
jee
jee mains
+2
votes
1
answer
A radio signal with a wavelength of 1.2 x 10^–4 m is sent to a distance asteroid, is reflected,
asked
Sep 17, 2018
in
JEE
by
kratos
physical optics
waves and optics
jee
jee mains
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