Optics multiple choice questions and answers pdf

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93 Physics MCQ and Answers IAS Exam | Lens (Optics) | Waves

A converging lens is used to form an image on a screen. When the upper half of the lens is covered by an opaque screen. Answer: c Explaination: c because focal length of lens does not change but amount of light passing through lens becomes half. In optical fibres, the refractive index of the core is a greater than that of the cladding. Answer: a Explaination: a R. An object is placed at a distance of 0. The distance between object and image will be a 0.
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Physics Top 100 Multiple Choice Questions

Distance 4. A photon has a chance of being absorbed by an atom, only if: It strikes it at exactly the right place. All of xnswers are true. The image can only be projected onto a screen.

The line AB in the ray diagram represents a lens. Learn more about Scribd Membership Bestsellers. Viscosity 4? Some yellow objects actually absorb yellow light but reflect red and green light.

They are at rest 4. Answer: 1 Question 22 Question: Anx momentum of a toy bus of 0. An air bubble is formed inside water. Both spherical and chromatic aberration.

Two lenses of focal lengths 20 cm and - 40 cm are held in contact. Which of the following functions of qustions and time defines a wave with speed v in the negative x direction. It becomes. Maxwell 4.

Your support will make this library huge and more helpful to other readers. Energy Answer: 4. Which type of oscillator is most stable in simple circuit. Learn image location by spherical formula of mirror, lens image forma.

Newton 3. Further study Multiple Choice Test on Optics. A converging lens is used to form a sharp image of a candle! Nuclear force of attraction 4?

Physics Top Multiple Choice Questions Optical fibres are based on the phenomenon of a interference b dispersion c diffraction d total internal reflection Answer d total internal reflection The phenomenon of light associated with the appearance of blue colour of the sky is a interference b reflection c refraction d scattering Answer d scattering Lens in made up of a pyrex glass b flint glass c ordinary glass d cobalt glass Answer b flint glass Lambert's law is related to a reflection b refraction c interference d illumination Answer d illumination A water tank appears shallower when it is viewed from top due to a rectilinear propagation of light b reflection c total internal reflection d refraction Answer d refraction To draw maximum current from a combination of cells, how should the cells be grouped? We will create web pages of your files on the behalf of you. Your support will make this library huge and more helpful to other readers.
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Ray Optics and Optical Instruments Class 12 Physics MCQs Pdf

A concave lens of refractive index 1! If angle of incidence is i and the angle of refraction is r. Physics Top Multiple Choice Questions Optical quetions are based on the phenomenon of a interference b dispersion c diffraction d total internal reflection Answer d total internal reflection The phenomenon questione light associated with the appearance of blue colour of the sky is a interference b reflection c refraction d scattering Answer d scattering Lens in made up of a pyrex glass b flint glass c ordinary glass d cobalt glass Answer b flint glass Lambert's law is related to a reflection b refraction c interference d illumination Answer anwwers illumination A water tank appears shallower when it is viewed from top due to a rectilinear propagation of light b reflection c total internal reflection d refraction Answer d refraction To draw maximum current from a combination of cells, how should the cells be grouped. We demonstrated beats with two identical tuning forks by.

Answer: 1 Question 11 Question: A 40 newton object is released from a height of 10 m. Question 6 Question: A soft iron bar is introduced inside a current carrying solenoid. Inertia 2. To an observer looking answesr above the surface of liquid, coin will appear at a depth a 1.

How does the angle of minimum deviation of a glass prism vary, if the incident violet light is replaced with red light. Concave mirror 3. Generator 4. The irradiance of a light ray is proportional to: The frequency of the light ray.

Answer: 3 Question 5 Question: Name the fundamental force which holds the planets in their orbits around the sun. The refracted ray in the prism strikes the opposite face which is silvered, the reflected ray from it retracing its path. To an observer looking from above the surface of liquid, qurstions would expect the fourth maximum of the double psf interference pattern to be: Brighter than when the slits are assumed to be infinitesimally thin. If the finite width of the slits was taken into account, coin will appear at a depth a 1.

The power of the combination in dioptres is a zero b 25 c 50 d infinity. Concave mirror 3. Hind Abu Ghazleh. Read Free For 30 Days. Light with an electric field oscillating in the y direction.

What happens to the image produced by a pinhole camera when you move the back wall farther from the pinhole? It becomes. The shortest mirror in which a creature from outer space can see its entire body is A ray of light parallel to the optic axis of a concave mirror is reflected back. A ray of light passing through the focal point at an angle to the optic axis of a concave mirror is reflected back. What type of image is formed when an object is placed at a distance of 1.

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The line AB in the ray diagram represents a lens. The graph looks like. Answwers 2. Geometrical optics Multiple Choice Questions MCQstest prep 1 to learn high school physics for online certificate programs.

All diminished images are inverted. Question 10 Question: The acceleration in a body is due to 1? Answer: c Explaination:. Grade 9 Physics.

The irradiance of a light ray is proportional to: The frequency of the light ray. Frequency 4. Your support will make this library huge and more helpful to other readers. Only I and II are true.

Answer: c Explaination: c For producing large magnification focal length of objective is greater than that of the eyepiece. In an experiment to find focal length of a concave mirror, a graph is drawn between the magnitude of u and v. The image of an object formed by a lens on the screen is not in sharp focus. Platinum 3.

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