JEE Mains | Physics QBank
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Here we present you the Questions from the subject of Physics for the JEE Mains Examination . Keep Solving questions to prepare better and improve your scores.
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1. The Test Paper is AI generated.
2.The AI bot creates a set of 20 Questions from the pool of questions that is being updated regularly by our expert faculties.
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Results
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#1. Which of the following is perpendicular to vector 2i - 3k :
#2. A clear transparent glass sphere (µ = 1.5) of radius R is immersed in a liquid of refractive index 1.25. A parallel beam of light incident on it will converge to a point. The distance of this point from the centre will be
#3. Which of the following quantity is unitless ?
#4. A plane mirror is placed horizontally on level ground at a distance of 60 m from the foot of a tower. Light rays from the top of tower falling just on the edge of the mirror suffers a deviation of 90°. The height of the tower is :
#5. An astronomical telescope has an angular magnification of magnitude 5 for distance objects. The separation between the objective and the eye-piece is 36 cm and the final image is formed at infinity. The focal length fo of the objective and fe of the eye-piece are
#6. A small coin is resting on the bottom of a beaker filled with a liquid. A ray of light from the coin travels upto the surface of the liquid and moves along its surface (see figure).How fast is the light travelling in the liquid ?
#7. The refracting angle of a prism is A, and refractive index of the material of the prism is cot(A/2). The angle of minimum deviation is :
#8. A glass convex lens (µg = 1.5) has a focal length of 8 cm when placed in air. What would be the focal length of the lens when it is immersed in water (µw = 1.33)
#9. The equation of a wave is given by Y = A sinω (x/v - k) , where ω is the angular velocity and v is the linear velocity. The dimensions of k is
#10. A person is in a room whose ceiling and two adjacent walls are plane mirrors. How many images are formed :
#11. A spherical mirror forms an erect image three times the linear size of the object. If the distance between the object and the image is 80 cm, the focal length of the mirror is
#12. If angle between two vectors is "θ" and magnitude of both are equal to "a" then what will be the magnitude of their resultant :
#13. A fish rising vertically up towards the surface of water with speed 3 m/s observes a bird diving vertically down towards it with speed 9 m/s . The actual velocity of bird and velocity of fish as seen by bird will be
#14. A dimensionless quantity
#15. 'Parsec' is the unit of –
#16. An object is placed in front of a convex mirror at a distance of 50 cm. A plane mirror is introduced covering the lower half of the convex mirror. If the distance between the object and the plane mirror is 30 cm, it is found that there is no parallax between the images formed by the two mirrors. What is the radius of curvature of the convex mirror ?
