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…
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