Physics question and answers for November 05, 2023
- Q 1 M 30 A ray of light strikes a transparent rectangular slab of refractive index 2 at an angle of incidence of 45 The angle between the reflected and refracted...
- Q d 43 2 Refractive index of a medium is The incidence angle is twice that of refracting angle The angle of incidence is a cos c 2 cos 2 b...
- Q 52 Deviation of 50 is observed from a prism whose angle is small and whose refractive index is 1 5 The angle of prism is a 7 5 d 3...
- Q 46 In vacuum to travel distance d light takes time t and in medium to travel 5d it takes time T The critical angle of the medium is 5T 0...
- Q int object O is placed in front of a glass rod having spherical end of curvature is 30 cm The image would be formed at 9 AIR 15cm a 30...
- Q d 18 85 A telescope of objective lens diameter 2m uses light of wavelength 5000A for viewing stars The minimum angular separation between two stars whose image is just resolved...
- Q A A beam of light of intensity I is normally incident on a plate of area A If plate absorbs fraction of incident light and reflects rest of it back...
- Q 3 with principal axis then n is O k 450 20 cm f 10 cm The distance between an object and the screen is 100cm A lens produces an image...
- Q a 5cm b 5cm c 7 5cm d 7 5cm 3 A short linear object of length b lies along the axis of a concave mirror of focal length fat...
- Q 72 In order to obtain a real image of magnification 2 using a converging lens of focal length 20 cm where should an object be placed a 50 cm c...
- Q Two plane mirrors A and B are placed such that they make certain angle between them A ray of light is incident on the mirror A The reflected ray from...
- Q Two plane mirror A and B are placed parallel to each other and are separated by a distance of 100 cm The distance of the first two image formed in...
- Q 74 The focal length of convex lens for red and blue light are 100 cm and 96 8 cm respectively The dispersive power of material of lens is a 0...
- Q 89 The maximum magnification that can be obtained with a convex lens of focal length 2 5 cm is the least distance of distinct vision is 25 cm a 10...
- Q Two liquids A and B are poured in a glass tumbler as shown in the figure If the refractive indices of A and B are 7 3 and 5 3...
- Q The lens he is using is Concave lens of focal length 0 5 m Convex lens of focal length 2 0 m Concave lens of focal length 2 0 m...
- Q 25 The effective focal length of the lens combination shown in th figure is 60 cm the radii of curvature of the curved surfaces of the plano convex lenses are...
- Q ne n 31 Consider the metal coin in figure The right half is polished while left half is unpolished Unpolished Flashlight beam Beye Polished In a dark room this coin...
- Q 28 A beam is incident on a tube containing two convex lenses of focal length 15 cm and 20 cm as shown If the diameter of incident beam is 10...
- Q c 5 sec d Remains some 45 For the ray diagram shown in the adjoining figure the false statement is Normal 1 P A Normal a 8 i i r...
- Q 3 A prism of a certain angle deviates the red and blue rays by 8 and 12 respectively Another prism of the same angle deviates the red and blue rays...
- Q From the above discussion it follows that the total time taken from a point on the object to the corresponding point on the image is the same measured along any...
- Q sin i cos sin 90 i je tan u tan 3 60 sin r tan 4 pla ple 14 One face of a rectangular glass plate of 8 cm thickness...
- Q con Osi 13 In the following ray diagram tions of the object O image I two lenses and a plane mirror The focal length of one of the lenses is...
- Q Two vertical plane mirrors facing each other 8 m apart A candle is set 2m from one of the mirrors An observer in the middle of the two mirrors looks...
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
- Unlimited Question Access with detailed Answers
- Zin AI - 3 Million Words
- 10 Dall-E 3 Images
- 20 Plot Generations
- Conversation with Dialogue Memory
- No Ads, Ever!
- Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!