Physics question and answers for November 12, 2023
- Q A coherent parallel beam of microwaves of Young s double slit apparatus The separation between the slits is 1 0mm The intensity of microwaves is measured on screen placed parallel...
- Q Q 133 The ratio of wavelengths of the last line of Q 133 Balmer series and the last line of Lyman series is 1 1 2 4 3 0 5...
- Q A ray of light passes from a denser to a rarer medium At the surface of separation the angle of incidence is i and the angle between reflected and refracted...
- Q 9 In equilateral triangle prism under minimum deviation ray inside prism is a Perpendicular to base b Parallel to base c Neither parallel nor perpendicular to base d may be...
- Q If a torch is submerged in water and sends light along path as shown in the figure along OA making an angle of incidence of 30 Then the angle of...
- Q A ray of light is incident on a mirror and the light travels in the direction x 3y and after reflection travel in the direction x What is the angle...
- Q 4 The length of the tube of a compound microscope is 15 cm The focal length of objective and eye lenses are 1 cm and 5 cm respectively The magnifying...
- Q 332 5 23 AB is a man of height 2m and Mis a mirror of length and mass 0 1 kg Initially top of mirror Mand A are at the...
- Q have 60 Two slabs P Q of transparent mate thickness in ratio 2 5 If a ray of light take same time to move from A to B and B...
- Q 10 If the plane surface of a planoconvex silvered then it will behave as 1 Converging mirror 2 Diverging mirror 3 Plane mirror 4 May behave as 1 or 2...
- Q 70 A convex lens forms the image of the point object O on the screen If a glass slab of thickness 3 cm and refractive index 1 5 is put...
- Q 3 50 m s 144 Light ray is incident at an angle of 60 on one face of a rectangular prism of refractive angle 90 If light ray grazes the...
- Q A parallel beam of light is incident on a combination of two optical systems S S with their principal axis coinciding as shown The final beam after all optical processes...
- Q A transparent cube of 15 cm edge contains a small air bubble Its apparent depth when viewed througth one face is 6 cm and when viewed through the opposite face...
- Q 36 A ray of light incident on an angle of incidence i The deviation produced E prism will be maximum when angle i take Mglass 2 1 30 3 60...
- Q All of the following statements are correct except O The magnification produced by a convex mirror is always less than one O A virtual erect same sized image can be...
- Q 13 Angle of a distant object formed at the objective of a telescope is 2 If focal length of objective and eyepiece of telescope is 200 cm and 20 cm...
- Q A fish is a little away below the surface of a lake If the critical angle is 49 then the fish could see things above the water surface within an...
- Q Question An isosceles right angled glass prism is immersed in water The refractive indicesof 4 and 3 glass and water relative to air are and A 10 2 respectively If...
- Q One of the refracting surface of a prism is silvered A ray is incident at an angle 60 such that it retraces its path The 3 angle of the prism...
- Q In YDSE a transparent sheet of refractive index u 1 5 and thickness 1 5 m is introduced in the path of one of the waves then intensity at position...
- Q The magnification of an object placed in front of convex lens of focal length 20 cm is 2 To obtain a magnification of 2 the object has to be moved...
- Q A narrow beam of light S is incident on a dihedral angle 60 formed by identical flat mirrors OM and ON secured on axis O Fig 1E 19 a After...
- Q A light ray is incident on a glass sphere of refractive index 3 at an angle of incidence 60 as shown in the figure The total deviation after two refractions...
- Q 2 a In the Fresnel s biprism experiment a biprism of refractive index 1 73 and with apex angles of 0 85 and 0 75 is used to form interference...
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