Last Updated On [03-11-2023]
We wish to see inside an atom. Assuming the atom to have a diameter of 
, this means that one must be able to resolved a width of say 
. If an electron microscope is used, the minimum electron energy required is about
a)
1.5 
b)
15 
c)
150 
d)
1.5 
We wish to see inside an atom. Assuming the atom to have a diameter of , this means that one must be able to resolved a width of say . If an electron microscope is used, the minimum electron energy required is about
a)
1.5
b)
15
c)
150
d)
1.5
Question ID - 152684 :-
We wish to see inside an atom. Assuming the atom to have a diameter of , this means that one must be able to resolved a width of say . If an electron microscope is used, the minimum electron energy required is about
a)
1.5
b)
15
c)
150
d)
1.5
|
We wish to see inside an atom. Assuming the atom to have a diameter of |
|||||||
|
a) |
1.5 |
b) |
15 |
c) |
150 |
d) |
1.5 |
Next Question :
|
A plano-convex lens of refractive index 1.5 and radius of curvature 30 cm is silvered at the curved surface. Now, this lens has been used to from the image of an object. At what distance from this lens, an object be placed in order to have a real image of the size of the object? |
|||||||
|
a) |
20 cm |
b) |
30 cm |
c) |
60 cm |
d) |
80 cm |
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