nt sides of yourself?
Q: Tennis balls used to be white. What is their color today, and why?
A: Tennis ball used to be white. But after the advent of television, white color was found difficult to…
Q: Use the diagram to answer the question(s). 5 cm 2 cm 4 cm 3 сm Alexander found a solid block of an…
A:
Q: Describe how the location and size of the real image of a light source changes if we start with the…
A: Given focal length of lens is positive i.e lens is a convex lens because it focus is real and to…
Q: tennis balls used to be white.What is their colour today and Why?
A: The tennis balls manufactured today are of yellow colour. This is because green-yellow part is the…
Q: Compare atmospheric perspective to linear perspective. How do they differ? 100-150 words.
A:
Q: If you observe objects inside a very hot kiln, why is it difficult to discern the shapes of the…
A: When the object is inside a hot kiln, the object gets heated. This hot object emits thermal…
Q: As people age, the length of their eyeballs may decrease slightly. If there is no change in the lens…
A: As people age, the length of their eyeballs may decrease slightly. The lens inside the eye becomes…
Q: 2) Find critical angle for a water – air boundary
A: Critical Angle: When a beam of light travels from denser medium(water) to rare medium(air) the light…
Q: Send a message to Grandma and tell her what details you’ve learned that explain why the sky is blue,…
A: Hello grandma, I am fine here and hoping the same for you. I would like to tell you about the beauty…
Q: Fire engines used to be red, Yellow-green is now the preferred color. Why the change?
A: Given: Fire engines
Q: What is the difference between refractive index at core and cladding?
A: The refractive index is a measure of the speed at which light travels through the material. The…
Q: What do stock photographers do ?
A: Stock photographers are the professional photographers who submit their images/work with one or more…
Q: Look at your red , sunburned feet when they are under water. Why don’t they look as red as they are…
A: Ray of light coming from red wound will undergo scattering and refraction both at water surface.
Q: For a composite rod like shown above in Discussion Question 6, each section has length 0.75 m and a…
A: solution: as given that L = 0.75 m A = 4 cm2 =4x10-4 m2 kw = 1 km =14
Q: Why does Mercury has a convex meniscus?
A: Mercury has a convex meniscus because the cohesive forces in liquid mercury tend to draw it into a…
Q: list down the places or things found on convex and concave mirrors. Explain the importance of curved…
A: A curved mirror is a mirror with a curved reflecting surface where the convex lens has an outward…
Q: How do the rods in the eye differ from the cones?
A: Given: rods and cones
Q: What is the fate of energy in ultraviolet light that is incident upon glass?
A: When ultraviolet light is incident on the glass, resonance occurs and the electrons vibrate with…
Q: Compare the spacing of streamlines around a tossed baseball that doesn’t spin in flight with the…
A: Draw the diagram of the baseball and streamline, when the baseball is not spinning.
Q: An iron rod is heated. The colors at different temperatures are noted. Which of the following colors…
A: A
Q: Fire engines used to be red, Yellow-green is now the preferred colour.Why this change occured?
A: Red color appears black in the night, but the brightness of yellow green color does not fade in the…
Q: What is the angle of reflection if the angle of incidence at a plane mirror is 50°?
A:
Q: Why does our hand appear to be changing whenever were in front of a mirror? Based on the activity…
A: The image of every object is reflected backward, whenever we stand in front of the mirror, retracing…
Q: Directions: Name an object or device that produces light, sound, and heat and tell the importance of…
A: Light- It is an electromagnetic radiation or em wave which is perceived by humans eye. Sound- It is…
Q: i can't some parts of the solution it only shows halfway
A:
Q: of glass and ceramic
A: The properties are explained as, i). Transparency ii). Translucency iii). Opacity
Q: What happens if an object is closer to a concave mirror than its focal length?
A: Spherical mirrors are mirrors having curved surfaces that are painted on one of the sides. Spherical…
Q: Define virtual vs real images.
A: Lenses and mirrors form images which might be virtual or real.
Q: what are the uses of plane,concave and convex mirrors and how they work?
A: Plane mirrors: The plane mirrors are used as looking glass. These mirrors are used to make…
Q: When an object is placed at the principal focus of a concave mirror the location of the image formed…
A: Let the focal length of the concave mirror = f The object distance (d) = f (as the object is kept at…
Q: 16 She's much taller . me. A than Bas c that 17 He lives in the same street. me. A that B like C as…
A: 16. She's much taller than me 17. He lives in the same street like me
Q: What is the image formed by a convex lens if an object is placed at the focus?
A: The image formed by the convex lens
Im what aspects of your life you were able to show the different sides of yourself?
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