A 401 W bulb produces monochromatic ultraviolet light of frequency 2.97x1015 Hz. If the efficiency of the bulb is 36.4%, find the intensity of the light produced, in photons/second.

Q: closed path on a rectangular prism, an

A: A net is a 2D representation of a 3D shape that can be folded to form the original 3D shape. In this…

Q: The eye focuses by Moving the lens                         3. moving both lens and retina Moving the…

A: Eye is focused by changing the focal length  of the eye lens .      Hence , 4th  option is correct .

Q: What happens to the image distance as the object distance gets larger? The image distance also get…

A: According to the lens formula, 1/f = 1/v - 1/u  where, f = focal length of the lens u = object…

Q: A lens creates an image that has a magnifica The lens is convex. The lens is concave. The image is…

A: Lens creates an image that has a magnification of -.4 So magnification M = -0.4

Q: focal point focal point An object is positioned as shown near a convex lens. Use ray tracing or…

A: solution is given by

Q: D. When you are looking at your image in a mirror what are you seeir a real image D a virtual image…

A:

Q: a beam of light strikes a diamond at an angle of 42 degrees to the normal. with what angle does the…

A: Snell's law expresses a relation between the path followed by a ray of light when it cross from one…

Q: Describe similarities and differences between convex lenses and concave mirrors.

A: Given Convex lense and concave mirror We have to find the similarities and differences between these…

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: An image formed by a plane mirror is usually Group of answer choices virtual and inverted virtual…

A:

Q: smaller, upright, behind the mirror, real   larger, upright, behind the mirror, real   smaller,…

A: As shown in diagram the object is real but the image is virtual but the but the object is behind the…

Q: Compare and contrast mirrors and lenses

A: Mirrors and lenses are used to form images of objects at different points. Curved mirrors and lenses…

Q: 4. Where is the image located of an object 15 cm away from a mirror of focal length 30 cm?

A: Focal Length (f) =30 cmObject distance (do) = -15 cm (negative sign since the object is in front of…

Q: 12. As shown in the figure below, an object is placed in front of a convex mirror. At what position…

A: Given  Mirror is convex  In convex mirror  image  formed is always virtual , behind the mirror and…

Q: Give at least 10 examples of concave and convex mirror (with pictures)

A:

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: 82. Which of the following statements is INCORRECT regarding a convex mirror? Group of answer…

A: Convex mirror always form virtual image of a real object and it always gives a diminished image .

Q: following is true of images formed in plane mirrors?

A: Plane mirror form image of same size as object

Q: Is the image real of virtual?

A: In the figure give that, a pot (object) is placed in front of a plane mirror. So we have to find the…

Q: What are 3 types of mirrors?

A: There are three types of mirror 1. Plane mirror 2. Concave mirror 3. Convex mirror

Q: Where would the image of a car be formed if it were placed 6.65 m away from a converging lens that…

A: Here we used mirror formula, 1/f = 1/u + 1/v Here, f =0.61m, u =6.65 m Now , 1/0.61 - 1/ 6.65 = 1/v…

Q: The image of a bird is formed by a concave spherical mirror on a screen away 100 cm if the bird is…

A: The mirror equation is given by, 1/u + 1/v = 2/R u is object distance from the mirror, and v is…

Q: In what way is an image formed by a mirror inverted? From top to bottom By refraction…

A:

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: to produce an image with a height of +10 cm when the object has a height of +1 cm, the magnification…

A:

Q: . Find the focal length of the glass lens in both figure?

A: Given diagrams: R1=24 cm , R2=40 cm R1=∞, R2=40 cmWe know, Refractive index of glass is n=1.5

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

A:

Q: A boy runs towards a mirror at a speed 10 m/s The speed of the image relative to the man is.

A: Speed of the boy towards the mirror is 10 m/s. The image will also run at the same speed. So, the…

Q: A person is having nearsightedness vision defect because, a. the lens of the eye become too weak b.…

A: Nearsightedness is also known as myopia , which is a eye problem in which the person could not see…