For what position of the object will a spherical concave mirror project on the screen an image smaller than the object? a. betwe
en focus and center
b. between the focus and the mirror
c. at the center of curvature
d. beyond the center of curvature
b. between the focus and the mirror
c. at the center of curvature
d. beyond the center of curvature
1 answer:
Answer:
option (d)
Explanation:
A concave mirror always forms a real and inverted image of an object except when the object placed between pole and focus of the mirror.
When the object is placed beyond the centre of curvature, it forms a image which is smaller than the object but it is real and inverted in nature.
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Answer:
option (d)
Explanation:
The relation between the rms velocity and the molecular mass is given by
v proportional to \frac{1}{\sqrt{M}} keeping the temperature constant
So for two gases
Solution:
Let the slope of the best fit line be represented by ''
and the slope of the worst fit line be represented by ''
Given that:
= 1.35 m/s
= 1.29 m/s
Then the uncertainity in the slope of the line is given by the formula:
(1)
Substituting values in eqn (1), we get
= 0.03 m/s