NMMS CLASS 7 GS LIGHT 1

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NMMS CLASS 7 GS LIGHT 1 👇


1. Light travels fastest in which medium?

  • Water
  • Glass
  • Vacuum
  • Air

2. Which type of mirror is used in car headlights?

  • Plane mirror
  • Convex mirror
  • Concave mirror
  • Spherical mirror

3. What is the angle between the incident ray and the normal called?

  • Angle of mirror
  • Angle of reflection
  • Angle of incidence
  • Angle of refraction

4. Which device is used to see distant objects clearly?

  • Camera
  • Telescope
  • Microscope
  • Periscope

5. Which phenomenon makes a coin appear raised in water?

  • Reflection
  • Dispersion
  • Refraction
  • Absorption

6. A mirror that always forms a virtual, erect, and smaller image is a:

  • Convex mirror
  • Concave mirror
  • Plane mirror
  • Spherical mirror

7. Which of the following is a luminous object?

  • Moon
  • Table
  • Mirror
  • Sun

8. The splitting of white light into its colors is called:

  • Refraction
  • Reflection
  • Scattering
  • Dispersion

9. The image in a plane mirror is:

  • Real and inverted
  • Real and erect
  • Magnified image
  • Virtual and erect

10. Light cannot travel through:

  • Transparent objects
  • Translucent objects
  • Clear glass
  • Opaque objects

11. Rainbow is formed due to:

  • Reflection of light
  • Diffusion of light
  • Shadow formation
  • Dispersion of light

12. Which mirror is used as a rear-view mirror in vehicles?

  • Plane mirror
  • Concave mirror
  • Parabolic mirror
  • Convex mirror

13. The speed of light is maximum in:

  • Water
  • Glass
  • Diamond
  • Vacuum

14. Which lens is thicker at the center and thinner at edges?

  • Concave lens
  • Plano lens
  • Cylindrical lens
  • Convex lens

15. Which lens is used by people having hypermetropia?

  • Concave lens
  • Cylindrical lens
  • Plane lens
  • Convex lens

16. A concave lens always forms an image that is:

  • Real and larger
  • Real and smaller
  • Virtual and larger
  • Virtual and smaller

17. What is the cause of a shadow?

  • Light bends
  • Light splits
  • Light scatters
  • Light travels in a straight line

18. A periscope works on:

  • Absorption of light
  • Refraction of light
  • Dispersion of light
  • Reflection of light

19. Which color deviates the most in a spectrum?

  • Blue
  • Yellow
  • Green
  • Violet

20. Which of the following is a non-luminous object?

  • Sun
  • Flame
  • Torch
  • Moon

21. Which mirror shows a wider field of view?

  • Plane mirror
  • Concave mirror
  • Adjustable mirror
  • Convex mirror

22. The image in a concave mirror can be:

  • Only real
  • Only virtual
  • Always erect
  • Real or virtual

23. The part of the eye that controls the amount of light entering:

  • Cornea
  • Iris
  • Lens
  • Retina

24. The point at which parallel rays meet after reflection from concave mirror:

  • Pole
  • Center
  • Focus
  • Apex

25. The band of seven colors seen in spectrum is called:

  • Equator
  • Ray zone
  • Rainbow list
  • VIBGYOR

26. Which lens is used in magnifying glass?

  • Concave lens
  • Plane lens
  • Convex lens
  • Cylindrical lens

27. Which phenomenon causes a pencil to look bent in water?

  • Reflection
  • Dispersion
  • Diffusion
  • Refraction

28. Which part of the eye forms the image?

  • Iris
  • Lens
  • Pupil
  • Retina

29. Which object produces its own light?

  • Mirror surface
  • Moon surface
  • Steel plate
  • Candle flame

30. Light travels in:

  • Curved lines
  • Straight lines
  • Circular lines
  • Zigzag lines

31. The change in direction of light when it passes from one medium to another is:

  • Reflection
  • Dispersion
  • Refraction
  • Absorption

32. Color of light with minimum wavelength:

  • Red
  • Green
  • Yellow
  • Violet

33. Color of light with maximum wavelength:

  • Blue
  • Indigo
  • Green
  • Red

34. Which mirror can form a real image?

  • Convex mirror
  • Concave mirror
  • Plane mirror
  • Flat mirror

35. Which lens is used to correct myopia?

  • Convex lens
  • Plano lens
  • Cylindrical lens
  • Concave lens

36. The inner part of the eye that sends signals to brain:

  • Retina
  • Lens
  • Cornea
  • Optic nerve

37. What type of image is always formed by a convex mirror?

  • Real and inverted
  • Real and erect
  • Virtual and larger
  • Virtual and smaller

38. Which phenomenon helps us to see objects that are not in direct view in a periscope?

  • Multiple reflections
  • Multiple refractions
  • Dispersion effect
  • Shadow making

39. A mirror that can form an enlarged image is:

  • Convex mirror
  • Plane mirror
  • Flat mirror
  • Concave mirror

40. Which lens spreads out light rays?

  • Convex lens
  • Cylindrical lens
  • Plano lens
  • Concave lens

41. The straight line perpendicular to the mirror surface is:

  • Focus
  • Center
  • Normal
  • Pole

42. When light hits a smooth surface, it undergoes:

  • Irregular reflection
  • Refraction type
  • Dispersion type
  • Regular reflection

43. Which part of the eye acts like a lens of a camera?

  • Iris of eye
  • Retina of eye
  • Pupil of eye
  • Lens of eye

44. The bouncing back of light from a surface is:

  • Refraction
  • Dispersion
  • Absorption
  • Reflection

45. The bending of light causes:

  • Objects to disappear fully
  • Images to become black
  • Objects to appear displaced
  • Eyes to stop vision

46. What is formed when light is blocked by an object?

  • Image
  • Reflection
  • Color band
  • Shadow

47. Which mirror is used for shaving to get a magnified image?

  • Plane mirror
  • Convex mirror
  • Flat mirror
  • Concave mirror

48. When the object is very far from a concave mirror, the image formed is:

  • Real and inverted
  • Virtual and erect
  • Erect and enlarged
  • Smaller and virtual

49. Which color bends the least in a spectrum?

  • Violet
  • Blue
  • Green
  • Red

50. Which device uses total internal reflection in its working?

  • Periscope
  • Microscope
  • Convex lens
  • Optical fiber
Location: Mogalturu, Andhra Pradesh 534281, India

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