Physics Formulas for Class 11 and Class 12 Author. In a spherical mirror.
In this equation we take the quantities positive if they in front of the mirror.
Physics formula sheet mirror. 1f 1v 1u Where f v and u are the focal length image distance and object distance. Rays coming parallel to the principal axis pass from the focal point. The equation is stated as follows.
A Plain mirror B Concave mirror C Convex mirror D All of these. E r qr R r. It is also known as a mirror formula.
The reflected ray is rotated through an angle 2θ. E σ 2ε. In other words if the object image and focal point of the mirror are located in front of the mirror like concave mirrors we take them positive.
15022018 The size of the image produced by a convex mirror is always smaller than the size of the object therefore the mirror is a concave mirror. 0 4 3 for Electric field due to a thin non conducting infinite sheet of charge with uniformly charge surface density s is. If the object is placed between focal.
The mirror equation expresses the quantitative relationship between the object distance do the image distance di and the focal length f. 23042020 Given Height of image h 12cm Height of object h 3cm Therefore m 𝐻𝑒𝑖𝑔ℎ𝑡 𝑜𝑓 𝑖𝑚𝑎𝑔𝑒𝐻𝑒𝑖𝑔ℎ𝑡 𝑜𝑓 𝑜𝑏𝑗𝑒𝑐𝑡 m ℎℎ m 123 m 4 Magnification is 4 Second Formula for Magnification We have already studied that Object Distance u Image Distance v Now Magnification m is given by m 𝑣𝑢 Example Suppose Object distance is 3 cm in front of the mirror. Nierre _____ Date _September 22 2020_____ Physics Mirror Equation Worksheet 1.
In plane mirrors we use the laws of reflection while drawing the image of the objects. A ray of light is directed towards the centre of curvature on a spherical mirror. Helps in quick revision for CBSE NEET JEE Mains and JEE Advanced.
Ray coming from the center of curvature turn back on itself. To obtain this type of numerical information it is necessary to use the Mirror Equation and the Magnification Equation. First look at picture and then follow the steps one by one.
CLEAR EXAM has come up with a lesson wise physics sheets for the students of physics. 0 Electric field between two infinite thin plane parallel sheets of uniform surface charge density s and. M Size of image h.
Ray coming from the center of curvature turn back on itself. The formula of the focal length f. Rays coming from the focal point travel parallel to the principal axis.
It is an equation relating object distance and image distance with focal length is known as a mirror equation. The distance between the object and the pole of the mirror is called the object distance u. The reflected ray will.
Also includes the value of Physical Constants. As you see from the picture we send rays from the top and bottom of the object to the mirror and reflect them with the same angle it hits the mirror. They are downloadable and easy to print.
If the object is placed between focal. If object moves towards the plane mirror at speed v the image moves towards the plane mirror at speed v. First understand the sign rules of the convex mirror.
If they are located behind the mirror like convex mirrors. 0 U q 0 F E. Image distance d x 5.
Image magnification M 5 times. F 10 cm Do 15 cm. Now you need not surf the text-books and try to write all the formulae in one place.
Ray hits the mirror at vertex it reflects with the same angle it does with principal axis. ρ 3επ ε 1. Physics formulas from Mechanics Waves and Oscillations Optics Heat and Thermodynamics Electricity and Magnetism and Modern Physics.
12 12 122 0 12 1 4 qq Fr. Image distance di If the image is in the front of a mirror surface which. This formula is valid for concave and convex mirror in all situations for various positions of the object 2.
The given chapter -wise physics formulae sheets are in pdf format. Object distance d x. The formula of image magnification.
The equation is. Name the mirror which always produces an erect and virtual image. Determine the image location 110cm 115cm 1di 01cm-1 0067-1 1di 0033cm-1 1di 303cm di The image location will be 30cm apart from.
If keeping the incident ray fixed the mirror is rotated by an angle θ about an axis in the plane of mirror. Physics Formulas OpticsCheat sheet In concave mirrors. An object is placed 15 cm from a converging concave mirror that has a focal length of 10 cm.
Physics Formulas OpticsCheat sheet In concave mirrors. δ π i r π -2i. Rays coming parallel to the principal axis pass from the focal point.
The correct answer is A. Dont lose heart when CLEAR EXAM is here. The magnification equation.
The sign rules for the convex mirror Object distance do If an object is in the front of a mirror surface which reflecting light where the light passes through the object then the object distance do is positive. 03092018 The convex mirror equation. The magnification equation relates the ratio of the image distance and object distance to the ratio of the image height h i and object height h o.
Name _Iannah Marie M. The mirror equation expresses the quantitative relationship between the object distance d o the image distance d i and the focal length f. 1 Physics 212 Formula Sheet 2013 RR R 1 R 2 I V R 2 A L R U 1 2 1 1 1 R Simple Circuits.
Is from the mirror and the distance of the image from the mirror i are related to the focal length of the mirror f by the formula 1 f 1. The radius of curvature of a concave mirror is 10 cm. Ray hits the mirror at vertex it reflects with the same angle it does with principal axis.
Rays coming from the focal point travel parallel to the principal axis. T a point inside the sphere iii A. Its focal length is A 10 cm B 5 cm C 20 cm D15 cm.
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