Angular Magnification in Simple Microscope

Q.

Write expression for the magnifying power of a simple microscope. How can it be increased ?

Q.

What is the magnifying power of a simple microscope if the image is formed at least the distance of distinct vision from the eye(D)?

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Q. A 35mm wide slide with a 24mm*36mm picture is projected on a screen placed 12cm from the slide. The image of slide picture on the screen measures 1.0m*1.5m. What is the linear magnification of the projector screen?

Q. Which type of lens is used in simple microscope?

Q.

What will be the expression for the angular magnification produced by the telescope?

1. $m_{\theta }=\frac{f_e}{f_o}$

2. $m_{\theta }=\frac{f_o}{f_e}$

3. $m_{\theta }=\frac{1+f_e}{f_o}$

4. $m_{\theta }=\frac{1+f_o}{f_e}$

Q. ntThe suns angular diameter is measured to be 1920".the distance D of the sun from the earth is 149600000000m.find the diameter of the sun?n ntExplain.n

Q. The value of angular magnification if the final image is formed at near point, instead of infinity is .

1. $\frac{L}{f_0}(1+\frac{D}{f_e})$
2. $\frac{LD}{f_e{f}_0}$
3. $\frac{L}{fe}(1+\frac{D}{f_e})$
4. $\frac{L}{f_0}$

Q.

Find the angular magnification in this case. (image at infinity)

1. m=1+D/f

2. m= D/f

3. m=1+f/D

4. m= f/D

Q. In this case (image at near point(D)). Find the angular magnification in terms of D and f.

1. m=1+D/f
2. m=D/f
3. m=1+f/D
4. m=f/D

Q.

In this case (image at near point(D)). Find the angular magnification in terms of D and f.

1. m=1+D/f

2. m=D/f

3. m=1+f/D

4. m=f/D

Q.

Find the angular magnification in this case. (image at infinity)

1. m=1+f/D

2. m= f/D

3. m= D/f

4. m=1+D/f

Q.

Find the angular magnification in this case. (image at infinity)

1. m=1+D/f

2. m= D/f

3. m=1+f/D

4. m= f/D

Q. In this case (image at near point(D)). Find the angular magnification in terms of D and f.

1. m=1+D/f
2. m=f/D
3. m=D/f
4. m=1+f/D

Q. Write an expression for the magnifying power of a simple microscope. How can it be increased?

Q. Write expression for the magnifying power of a simple microscope. How can it be increased ?

Q.

The magnifying power of a simple microscope can be increased, if we use eye-piece of

1. Higher focal length

2. Smaller focal length

3. Higher diameter

4. Smaller diameter