Explain plain mirror image formation.

Q: Define the term farsightedness.

A: Farsightedness is an eyesight problem. This problem is known as hyperopia. In this vision condition,…

Q: What changes would occur in the image if the single pinhole in a camera were replaced by  a four…

A: A pinhole camera doesn’t contain any lens but it only has a tiny aperture. Light entering the…

Q: A concave lens has a focal length of -20cm. If an object is placed 50cm in front of the lens, what…

A: Given that, Focal length of the lens is f=-20 cm Image distance is u = -50 cm Suppose that, image…

Q: How does reflection lead to the formation of images?

A:

Q: A diverging lens has a focal length of -30 cm. If a peanut is placed 10 cm from the lens, what is…

A: Given data: Focal length of lens is, f=-30 cm. Distance of peanut (Object) distance from the lens…

Q: State the reason, why two independent sources of light cannot be considered as coherent sources.

A: The coherent sources of light means the sources which emits the light waves of same frequency, same…

Q: why a concave lens is called a converging or negative lens?

A: It is thin in the middle and converges light at a point. When the rays of light coming parallel to…

Q: A thin converging lens has a focal length of 100mm. An object is placed 150 mm in front of the lens.…

A: Focal length of convex lens f = 100mm Objects distance u = -150mm

Q: Are all real images larger than the object?

A: Real images are those that can be viewed when a screen is placed in the plane of convergence. It is…

Q: What are multiple images?

A: Multiple images are formed when two or more images are placed in front of each other and object is…

Q: What is the image formed by a diverging lens? Converging lens?

A: We have to write the image produced by the converging lens and diverging lens

Q: What factors affect image quality in transmission imaging?

A: Following are factor affecting image quality in transmission imaging 1.Beam Energy : Penetration and…

Q: An object is placed at a distance of 40.0 cm from a thin lens along the axis. If a virtual image…

A:

Q: A 2.8-cm diameter coin is placed a distance of 25.0 cm from a double concave lens that has a focal…

A: It is given that, f=-12 cmdo=25 cmho=2.8 cm

Q: A person with with defective eye cannot see closer objects clearly because the image is formed on?

A: A person with with defective eye cannot see closer objects clearly because the image is formed…

Q: Determine the image distance and image height for a 5-cm tall object placed 10.0 cm from a double…

A: The image distance can be given using the lens equation as Substituting the values gives the image…

Q: A diverging lens has a focal length of –15 cm.  A 5-cm object is placed 35 cm from the lens. What…

A: Given:           Focal length f = -15 cm           Object height o = 5 cm           Object distance…

Q: A 10 -cm high object is placed 3 cm from a 15 -cm focal length diverging lens. Determine the image…

A: given data u =3 cm  f =-15 cm image height = ?

Q: How does the image formed under a microscope?

A: To determine,How does the image formed under a microscope.

Q: A 1.40-cm-tall object is placed along the principal axis of a thin convex lens of 13.0 cm focal…

A: calculation of distance:

Q: Calculate the size of the retinal image of a 10-cm leaf from a distance of 500 m. Distance of image…

A: The magnification of the lens is calculated by using the formula m=-vu=hih0 , where v=0.015 m is the…

Q: How much intensity of the image is increased if the diameter of the objective of a telescope is…

A: Solution. On doubling the diameter, the area of the objective increases four times. Its light…

Q: How do you determine the focal length of both a convex and concave lens?

A: Convex lens:             An optical lens is generally made up of two spherical surfaces. If those…

Q: When you looks at your image in a bathroom mirror it is?   virtual or real reduced or same size…

A: Bathroom mirror is a plane mirror.

Q: Why light is refracted when enter from one medium to another medium?

A: To determine:      Why light is refracted when enter from one medium to another medium?

Q: Is this lens diverging or converging?

A: converging lens is a lens if parallel rays after passing through it passes through focus point or…

Q: How is it possible to take photographs in complete darkness?

A: It is possible to take photograph in complete darkness.

Q: A diverging lens has a focal length of –15 cm.  A 5-cm object is placed 35 cm from the lens. What is…

A: Given data:  Focal length (f) = -15 cm Object height (ho) = 5 cm Object distance = 35 cm Required:…

Q: In the opening photo of the duck standing on the rock, why are the duck’s feet not shown in the…

A: As the reflection occurs at same position, the image of the feet formed at same place. The object…

Q: What is the size of the image produced by a converging lens with a focal length of 10 cm if a 10-cm…

A: Focal length , f = 10 cm image distance , p = 20 cm size of object = 10 cm To find = size of the…

Q: The image seen through a compound microscope is(virtual, real).

A: Compound microscope is a microscope that uses multiple lenses to enlarge the image of the given…

Q: What is the orientation of a plane mirror?

A: The plane mirror forms a Laterally inverted image. The size of the image is as same as the size of…

Q: Explain the eye defect named Nearsightedness?

A: Nearsightedness: If a person has difficulty seeing distant objects clearly. This eye defect is also…

Q: Why does light refract when going from one media to another?

A: When light travels from one medium to another generally two important phenomena take place-…