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Recent questions tagged images
+3
votes
1
answer
A hollow lens is made of thin glass and in the shape of a double concave lens. It can be filled with air,
asked
Apr 2, 2019
in
JEE
by
kratos
images
jee
optics
class-10
jee mains
ray optics
+3
votes
1
answer
A triangular medium has varying refracting index n = n0 + ax, where x is the distance (in cm) along x– axis from origin and n0 = 4/3 .
asked
Mar 29, 2019
in
JEE
by
kratos
irodov
images
jee
optics
jee mains
geometrical optics
jee advanced 2019
+3
votes
1
answer
An object placed in front of a spherical mirror with focal length f = -20 cm produces an image with a magnification m = 0.1. If the the object
asked
Mar 23, 2019
in
Class 10
by
kratos
light – reflection and refraction
class-10
images
cbse
+3
votes
1
answer
STATEMENT-1: Real images cannot be formed by reflection of light in a convex mirror.
asked
Mar 21, 2019
in
JEE
by
kratos
light
images
class-8
jee
class-9
jee mains
nsep
geometrical optics
+2
votes
1
answer
In a two lens microscope, the intermediate image is: A. virtual, *****, and magnified
asked
Mar 10, 2019
in
Mathematics
by
kratos
images
+3
votes
1
answer
An ***** object placed outside the focal point of a converging lens will produce an image that is:
asked
Mar 8, 2019
in
Mathematics
by
kratos
images
+1
vote
1
answer
Can a virtual image be photographed by a camera ?
asked
Mar 7, 2019
in
JEE
by
kratos
images
cbse
jee
optics
jee mains
principles of photometry
ray optics
class-12
interference
geometrical optics
+1
vote
1
answer
A spherical convex surface separates object and image space of refractive index 1.0 and 4/3.
asked
Feb 14, 2019
in
JEE
by
kratos
refraction of light
images
jee
optics
jee mains
class-12
+2
votes
1
answer
A concave spherical mirror has a focal length of 12 cm. If an ***** object is placed 6 cm in front of it:
asked
Feb 7, 2019
in
Mathematics
by
kratos
images
+2
votes
1
answer
A luminous point object is moving along the principal axis of a concave mirror of a focal length 12 cm toward it.
asked
Feb 3, 2019
in
JEE
by
kratos
images
jee
jee mains
ray optics
reflection
+2
votes
1
answer
No matter how far you stand from a mirror, your image appears *****. The mirror is likely to be
asked
Jan 30, 2019
in
Class 10
by
kratos
light – reflection and refraction
images
reflection of light
class-7
class-10
+2
votes
1
answer
A convex refracting surface has a radius of 12 cm. Light is incident in air (n = 1) and refracted into a medium
asked
Jan 26, 2019
in
Mathematics
by
kratos
images
+3
votes
1
answer
A concave spherical mirror has a focal length of 12 cm. If an object is placed 6 cm in front of it the image position is:
asked
Jan 20, 2019
in
Mathematics
by
kratos
images
+1
vote
1
answer
An ***** object is located between a concave mirror and its focal point. Its image is:
asked
Dec 27, 2018
in
Mathematics
by
kratos
images
+2
votes
1
answer
An object is 2 m in front of a plane mirror. Its image is: A. virtual, inverted, and 2 m behind the mirror
asked
Dec 20, 2018
in
Mathematics
by
kratos
images
+3
votes
1
answer
The focal lengths of objective and the eye–piece of a compound microscope are Fo and Fe respectively. Then _______.
asked
Dec 20, 2018
in
JEE
by
kratos
motion
images
class-11
jee
optics
jee mains
ray optics
class-12
wave
+1
vote
1
answer
A concave spherical mirror has a focal length of 12 cm. If an object is placed 18 cm in front of it the image position is:
asked
Dec 13, 2018
in
Mathematics
by
kratos
images
+1
vote
1
answer
The image produced by a convex mirror of an ***** object in front of the mirror is always:
asked
Dec 9, 2018
in
Mathematics
by
kratos
images
+1
vote
1
answer
An object is in front of a converging lens, at a distance less than the focal length from the lens. Its image is:
asked
Dec 3, 2018
in
Mathematics
by
kratos
images
+3
votes
1
answer
A concave refracting surface is one with a center of curvature: A. to the left of the surface
asked
Nov 30, 2018
in
Mathematics
by
kratos
images
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