Which type of curved mirror uses its inside as the reflecting surface? A. a convex mirror B. a plane mirror C. a virtual mirror
D. a concave mirror
2 answers:
Answer:
Concave Mirror
Explanation:
1).Concave Mirror
here the reflecting surface is curved inside then it is always concave mirror
2). Convex mirror
here the curved surface outwards will be the reflecting surface and focus is taken as negative as it always forms virtual image of smaller size.
3). Plane Mirror
here the reflecting surface is always plane surface and straight surface and its focus is infinite and always forms virtual image of same size
You might be interested in
Answer:
<em>Angular displacement=68.25 rad</em>
Explanation:
<u>Circular Motion</u>
If the angular speed varies from ωo to ωf in a time t, then the angular acceleration is given by:
The angular displacement is given by:
The wheel decelerates from ωo=13.5 rad/s to ωf=6 rad/s in t=7 s, thus:
Thus, the angular displacement is:
Angular displacement=68.25 rad