English
Maharashtra State BoardSSC (English Medium) 10th Standard

Yesh Find Out F1 and F2 of Symmetric Convex Lens Experimentally Then Which Conclusion is True. - Science and Technology 1

Advertisements
Advertisements

Question

Yesh find out F1 and F2 of symmetric convex lens experimentally then which conclusion is true.

Options

  • a) ЁЭР╣1 = ЁЭР╣

  • b) ЁЭР╣1 > ЁЭР╣

  • c) ЁЭР╣1 < ЁЭР╣

  • d) ЁЭР╣1 ≠ ЁЭР╣

MCQ
Advertisements

Solution

a) ЁЭР╣1 = ЁЭР╣2  

shaalaa.com
  Is there an error in this question or solution?
2018-2019 (March) Balbharati Model Question Paper Set 3

RELATED QUESTIONS

An object is placed at a distance of 12 cm from a convex lens of focal length 8 cm. Find :

1) the position of the image

2) nature of the image


A beam of light travelling in air is incident of water. Draw a ray-diagram indicating the change in its path in water.


Fill in the following blank with suitable word: 

Parallel rays of light are refracted by a convex lens to a point called the ........


Describe with the help of a ray diagram the nature, size and position of the image formed when an object is placed in front of a convex lens between focus and optical centre. State three characteristics of the image formed.


Three convex lenses are available having focal lengths of 4 cm, 40 cm and 4 m respectively. Which one would you choose as a magnifying glass and why? 

 


A burning candle whose flame is 1.5 cm tall is placed at a certain distance in front of a convex lens. An image of candle flame is received on a white screen kept behind the lens. The image of flame also measures 1.5 cm. If is the focal length of convex lens, the candle is placed:

(a) at f
(b) between f and 2f
(c) at 2f
(d) beyond 2f


A convex lens of focal length 6 cm is held 4 cm from a newspaper which has print 0.5 cm high. By calculation, determine the size and nature of the image produced.


Find the nature, position and magnification of the images formed by a convex lens of focal length 0.20 m if the object is placed at a distance of:   

 0.50 m


 Find the nature, position and magnification of the images formed by a convex lens of focal length 0.20 m if the object is placed at a distance of: 

 0.15 m 


Which type of lenses are: 

thicker in the middle than at the edges?


Which part causes the greatest convergence?


What type of lens is used to correct  

hypermetropia


In the following cases, where must an object be placed in front of a convex lens so that the image formed is inverted and enlarged?


The focal length of a lens is positive. In this case, state the kind of lens.


Point out the difference between a convex lens and a concave lens.


State the position of object, position of image, nature of image when: Convex lens is used as in searchlight.


An object is placed in front of a convex lens such that the image formed has the same size as that of the object. Draw a ray diagram to illustrate this.


How will you determine the focal length of a convex lens by the plane mirror method?


Can one bum a piece of paper in daylight by just using a convex lens instead of a match or any direct flame? Support your answer with the help of an appropriate ray diagram.


Share
Notifications

Englishрд╣рд┐рдВрджреАрдорд░рд╛рдареА


      Forgot password?
Use app×