Demonstrate geometrically (by drawing lines) the implementation of the following logic (Ans:1.5), elsems down ward di gems!An iron ball and a wooden ball of different masses and same in size are released from the same height ma) Acceleration due to Join now. Log in. Thus, m = m = Where, v = image distance u … …, the same distance from the secondsurface of the sphere. Q.No : 23In the expression e = -dødt, the -ve sign signifiesA) The induced emf is produced only whenmagnetic flux decreasesB) The induced emf opposes The magnification (m) of lens can also be calculated in terms of image distance (v) and object distance (u), if we do not know the size (height) of object and image. I The magnification of a lens is represented by the letter ‘m’. Find the refractive index of the mate-rial of the sphere? What is the formula of magnification in terms of (v) and (u)? …, en I will be grateful to you. …, f the instantaneous separation of jeepfrom the motor cycle is 100m,how long will ittake for the policemen to catch the theif ?А1 second. Answered What is the formula of magnification in terms of (v) and (u)? h o = height of an object What do you meant by magnification of a lens. The magnification is negative for real image and positive for virtual image. …, the change in themagnetic fluxC) The induced emf is opposite to the direction ofthe fluxD) None, EnglishNA body moving with a uniform speed vin a circular path of radius 7 as shown in gure Tis period of revolution The average velocty in section AB Here u is the object distance and c is the image distance. The focal length of the lens is 15 cm. So, it can be written as: m = -v / u. It's my humble request to all the moderators. Figure shows a graph of v against magnification, m for a lens … …, refractive index of glass related to water is 9/8 what is the refractive index of water relative to glass, in a rocket of mass 1000 kg, fuel is consumed at the rate of 1 kg/s. …, ration of the rocket isa)500m/s^2b)50m/s^2c)10m/s^2d)100m/s^2, This is my request to every moderators to delete the above given ID. In the case of a concave lens, it is always positive. Thus, Where, v = image distance u = object distance. - 17800222 1. Log in. And the magnification m is positive when the image formed is virtual and erect. On the other hand, the magnification m is negative when the image formed is real and inverted. Solution: From the graph, when v = u, the coordinate of the point of intersection is given as (2f, 2f), where f is the focal length of the lens. Besides, its formula is: Magnification (m) = h / h’ Here, h is the height of the object and h’ is the height of the object. And as well as I will thank all your answers so please do it , A transparent sphere of radius 6ch is kept in air, an object isplaced at 12 cm distance from the surface of the sphere and itsreal image is formed at You will get the ID in my following list. A police manchases him on a motor cycle moving at a speedof 10m/s. Please do the same. \( m = \frac{h_i}{h_o} = \frac{v}{u} \) Where, m= magnification. The magnification (m) of lens can also be calculated in terms of image distance (v) and object distance (u), if we do not know the size (height) of object and image. Please do it th Determine the focal length of the lens. It is also given in terms of image distance and object distance. kantr8782 kantr8782 27.05.2020 Physics Secondary School +5 pts. Magnification of a lens is defined as the ratio of the height of an image to the height of an object. The magnification of a lens may be defined as the ratio of the size (height) of the image to the size (height) of the object. Thus, Where, h2 = size of image h1 = size of object. You can specify conditions of storing and accessing cookies in your browser. 2f = 30. f = 15 cm. Please note that the magnification formula is applicable both in convex lenses and concave lenses. Thus, Rules for Obtaining Images by Spherical Lenses. …, gravity in vacuum is same irrespective of the size and mass of bodyb) Acceleration due to gravity in vacuum depends upon the mass of the bodyc) There is no acceleration due to gravity in vacuummass of the body.Calling from ton of tower of height H then theD) In vacuum there is a resistance offered to the motion of the body and this resistance depends upon the mass of the body., The Perceptron may be used to perform numerous logic functions. h i = height of image. Using lens formula the equation for magnification can also be obtained as m = h2/h1 = v//u = (f-v)/f = f/ (f+u) Test Your Understanding and Answer These Questions: The magnification of a lens may be defined as the ratio of the size (height) of the image to the size (height) of the object. It is equal to the ratio of image distance to that of object distance. The magnification of a lens is represented by the letter ‘m’. This site is using cookies under cookie policy. What is the formula of magnification in terms of (v) and (u)? Join now. Besides, it can also be related to the object distance and image distance. If the velocity of gas ejected from the rocket is 5×10^4 m/s , the initial accele 1. Ask your question. …, functions: NOR, NAND for binary as well as bipolar inputs., A thief is running away on a straight road on ajeep moving with a speed of 9 m/s.

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