Explain the Magnifying power ?
Answer / guest
Magnifying power of a microscope is defined as the ratio of
the angle subtended at the eye by the image to that
subtended by the object, as seen directly at that point of
distinct vision
Magnifying power of a telescope is defined as the ratio of
angle subtended at the eye by the image to that subtended by
the object, as seen directly in its actual position.
| Is This Answer Correct ? | 3 Yes | 0 No |
Tell me when taken to the top of a mountain, a clock will go fast or go slow or no change or stop?
When a glass cylinder is filled with water and a piece of thick paper is placed at the mouth and the cylinder is inverted, the paper dies not fall. Why ?
Explain the Welding ?
Similar charges repel while dissimilar ones attract each other. How does two electrons attract each other during the formation of bond or why don't the protons in the nucleus repel?
Define Bulk modulus ?
what is overall expansion,hp expansion,ip expansion and axial shaft of a steam turbine?
generaly what is physics!
While swimming, why do we press the water backward with our arms and hands ?
Why ate screws preferred to nails in holding the two pieces of wood ?
What is Potential Energy ?
What is black body? : quantum physics
How does the electricity travel ?