The length of the shadow of an upright meter scale is 60 cm . At the same time , the length of the shadow of a tree is 4.8 m . What is the HEIGHT of the TREE ?
A) 4.8
B) 8
C) 6
D) Cannot be found based on the information given
The length of the shadow of an upright meter scale is 60 cm . At the same time , the length of the shadow of a tree is 4.8 m . What is the HEIGHT of the TREE ?
A) 4.8
B) 8
C) 6
D) Cannot be found based on the information given
Q.5. The property of light to travel in a straight line is called...........
Sir, you provided me with a weblink for the below question. But, there was no reason available in that answer as per my question. The answer was only in Yes and No.
THIS WAS MY QUESTION:
Explain why it is necessary for the Newton's disk to be rotated very fast (in detail).
(Think if the disc will appear white when rotated very slowly)
{I am this question as I have been taught that the newton's disk will not appear white if it is rotated slowly .}
(Think if the disc will appear white when rotated very slowly)
{I am as I have been taught that the newton's disk will not appear white if it is rotated slowly .}
a)at F
b)between F and O
c)between F and C
d)at C