WebAug 3, 2024 · The distance between the pole and principal focus of a spherical mirror is called focal length of the spherical mirror. Question 16. Write down the relation between the focal length (f) and radius of curvature (R) of a spherical mirror. Answer: f = R/2. Question 17. Name the mirror which acts as (i) a convergent mirror and (ii) divergent mirror. Web2 days ago · Medeiros et al. 2024. 61. The iconic image of a supermassive black hole in the Messier 87 (M87) galaxy—described by astronomers as a "fuzzy orange donut"—was a stunning testament to the ...
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WebFeb 23, 2024 · Focal length is the distance between the pole of a mirror or a lens to the focus of the mirror or the lens. focus (F)- a point on the principal axis where parallel rays reflect and converge or appear to converge (sometimes called focal point). Who is a focal point person? What is a focal point? WebPrincipal axis: Principal axis is defined as the imaginary line passing through the pole and centre of curvature of the spherical mirror. Principal focus: Principal focus is defined as a point at which the reflected rays … fmla for yourself
Spherical Mirrors – The Physics Hypertextbook
WebJul 5, 2024 · Class 10 Science Chapter 10 Light Reflection and Refraction InText Questions and Answers. In-text Questions (Page 168) Question 1. Define the principal focus of a concave mirror. Answer: A point on the principal axis at which all parallel rays to the principal axis meets is called the principal focus of the concave mirror. Question 2. WebThe distance between the focus and the pole of the mirror is called : Easy View solution > Define the terms pole, principal axis and center of curvature with reference to a spherical … WebJan 25, 2024 · Pole: The point at the middle of the spherical mirror is called the pole. The letter P represents it. Principal axis: It is an imaginary axis passing from the pole and centre of curvature of the spherical mirror. Aperture: The diameter (length) of the reflecting surface of the spherical mirror is called the aperture. green sea turtle images free