An electron in a stationary, unbound atom of mass 7.55x10-26 kg cascades, and a photon of frequency 4.19x1014 Hz is emitted. Find the recoil speed of the atom, in m/s.

Q: When the object distance is equal to the focal length, then the image is formed at the focal point.…

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Q: formation of images by using different types of lense

A: There are 2 types of lenses. The lens with outwards bulge are known as convex lens, and the lens…

Q: A

A: Option A ) A is right answer. Explanation Condition for critical angle: a light ray is in the more…

Q: please provice the answer for the second image

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Q: 5. How far would an object need to be placed from a mirror of focal length 10.0 cm if it is image…

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Q: by use Positive lens O false O true

A: A convex lens is also called a positive lens, since the focal length is positive, whereas a concave…

Q: A virtual image of an object is formed by a concave mirror. The object: OA) is within the focal…

A: Solution  OPtion A is correct

Q: Match the answers with questions for image distance - s'.…

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Q: The vision defect in which the lens of the eye become too long is called a.Image defect…

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Q: 28. What type of lense is this? parallel light rays focal point axis аxis focal length A. Concave B.…

A: 28. In the given ray diagram, all the rays are converging at focal point.

Q: What is focal length of a lens?

A: Focal length of a lens is a measure of how strongly the lens converges or diverges light. It is the…

Q: Image ke Object ↑ Jy €6.00> - L L- Optic axis Lens

A: given distance of images from lens= v= -(6+L)cm distance of object from lens= u =-L cm Height of…

Q: A convex mirror has focal length of 20 cm. An object is placed 10.0 cm in front of the mirror.…

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Q: +Q 庄 土 土 土 C. E王 王 土 D.

A: The like charge particles always repel each other while the unlike charge particles attract each…

Q: Concave mirrors cause an incoming parallel light beam to converge  True  False

A: A concave mirror has the reflecting surface which caves inwards. Examples of concave mirrors are the…

Q: vision

A: Option c is the right answer  Farsightedness

Q: Object Image m 5.00 cm 4.00 cm

A: According to lens formula, 1/f = 1/v - 1/u Where, f = focal length of the lens v = image distance u…

Q: may be used t

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Q: Determine focal length and magnification given radius of curvature, distance of object and image.

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Q: Find the image distance for an object placed 10cm in front a convex lens with focal length 7cm

A: Given  For convex lens,  u= -10 cm , f = 7 cm  We have to find, image distance  v = ?

Q: 22. Which ray diagram shows a virtual image? 2F 2F 2F 2F O Left O Centre O Right None

A: Answer (left) An image is said to be virtual if it is formed on the side of object i.e. on left side

Q: Describe the image being produced by a plane mirror.

A: 1. Image formed by plane mirror is of same size as of object. 2. Image is formed behind the mirror…

Q: What are the types of mirror

A: A mirror is a smooth surface on which regular reflection takes place. Mirrors are of two types, 1…

Q: Explain what a lens does.

A: The lens operation is explained as below,

Q: Could you add any images or graphics?

A: Add images related to the a vector that has both nonzero magnitude and a direction is added to…

Q: In your own words, describe the three steps in ray tracing used to identify where an image forms.

A: We have to write three steps in ray tracing.

Q: find the distance of the image (d) and height of the jmage (h), using the following data. Focal…

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Q: If a converging lens forms a real, inverted image 21.0 cm to the right of the lens when the object…

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Q: What should be the power of the voltage supply that we will use in the acceleration region?

A: This is the answer to the continuation of the first question. When a particle of charge q moves at…

Q: Investigate different types of microscopes.Learn how image is formed in a compound microscope.

A: The most common microscope is used is a simple compound microscope. It consists of two convex…

Q: The virtual image produced by a convex mirror is one fifth the size of the object. If the object is…

A: The height of the image is one fieth of height of the object.The distance of the object from the…

Q: The Image distance is 151 cm, the magnification is -0.9, & the image height is -56 cm. Determine the…

A: Image distance is v=151 cm Magnification is m=-0.9 Image height is hi=-56 cm Find: (a) Focal length.…

Q: 1.How are images formed by the light rays reflected to a mirror?

A: Mirror is a glass surface which is coated with some material, which gives it reflective properties.…

Q: The diameter of the reflecting surface of a spherical mirror is called a/an A) principal axis B)…

A: The principal axis of a spherical mirror is the line passing through the center of the mirror that…

Q: An image formed by a concave mirror on a screen is called __________? A) Virtual image B) Real image…

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