Q&A Forum
1131 questions found
In a concave mirror, a light ray passing through the focal point will be reflected
- through the midpoint.
- toward the focal point
- parallel to the axis.
Giovane asking:
it is parallel to axis or it is on the axis.? why not through the focal point or on the center line of the mirror?
If, with a concave mirror the image is placed beyond the centre of curvature, the image produced will be
- virtual, erect and larger.
- real, inverted and smaller.
- real, inverted and enlarged.
Giovane asking:
WRONG QUESTION OBJECT NOT IMAGE
Ignoring friction, if you let an object slide down a slope, at the bottom
- the potential energy is equal to the kinetic energy.
- the potential energy is more than the kinetic energy.
- the kinetic energy is more than the potential energy.
Giovane asking:
CAN YOU PLEASE EXPLAIN HOW?
What is the ratio of 5 feet to 30 inches?
- 1 : 6
- 5 : 3
- 2 : 1
Stun asking:
How can I do that??
A cuboid has dimensions of 4 cm, 6 cm and 12 cm. What is its volume?
- 0.028 m3
- 0.000288 m3
- 2.88 m3
Stun asking:
I don't understand the passage from cm to m^3