Recent questions without an upvoted answer

0 like 0 dislike

1 answer 141 views

What is photograph enlarger? How does it work?

asked Oct 18, 2017 in Physics by shamroz (41.5k points)

0 like 0 dislike

1 answer 85 views

How does a slide projector or movie projector work? Explain.

asked Oct 18, 2017 in Physics by shamroz (41.5k points)

0 like 0 dislike

1 answer 83 views

Write the construction and working of a camera.

asked Oct 18, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 75 views

Describe some uses of lenses.

asked Oct 18, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 54 views

What are the adopted rules about the sign conventions for the lenses?

asked Oct 18, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 105 views

Define lens equation or formula. Also write its equation.

asked Oct 18, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 116 views

What is difference between the power of a convex lens and a concave lens?

asked Oct 18, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 129 views

Define power of a lens and its unit

asked Oct 18, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 78 views

In which direction the light bends when it enters from one medium to another?

asked Oct 18, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 77 views

Explain the image formation with ray diagram, when the object is placed between the convex lens and F.

asked Oct 18, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 84 views

Explain the image formation with ray diagram, when the object is placed at F (focal point) of a convex lens.

asked Oct 18, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 109 views

Explain image formation with ray diagram, when the object is placed between F and 2F of a convex lens.

asked Oct 18, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 82 views

Explain image formation with ray diagram, when the object is placed at 2F from the convex lens.

asked Oct 18, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 92 views

Explain image formation with ray diagram when the object is placed beyond 2F from a convex lens?

asked Oct 18, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 99 views

Describe how light is refracted through lenses?

asked Oct 18, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 71 views

What are the differences between real and virtual images?

asked Oct 18, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 77 views

How does a concave lens or diverging lens can form a real image of a real object?

asked Oct 18, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 94 views

How does a convex tens or converging tens forms a virtual image of a real object?

asked Oct 18, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 81 views

Define the following terms applied to a lens

asked Oct 18, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 162 views

What is prism? Describe the passage of light through.

asked Oct 18, 2017 in Physics by sonia (36.5k points)

Page:

« prev
1
...
919
920
921
922
923
924
925
...
970
next »

Free Hit Counters

...