The size of a shadow of an opaque object close to the screen and away from the source of light
  • Increases
  • Decreases
  • Remains the same
  • First Decreases and then Increases
This takes place from smooth polished surface when a beam of light falls on it-
  • Refraction
  • Absorption
  • Reflection
  • Radiation
Shadows are formed only when the:-
  • Transparent body in the path of light
  • Translucent body is in the path of light
  • No object is in the path of light
  • Opaque object is in the path of light
Shadows are/can:-
  • Always smaller than the opaque object
  • Always bigger than the opaque object
  • Remains the same size as of the opaque object
  • Can be smaller or bigger than the opaque object
An example for rectilinear propagation of light is:-
  • Formation of clouds
  • Formation of rainbows
  • Formation of rain
  • Formation of day and night
Study the given diagram carefully and select the correct option.
  • Object X has rough surface.
  • Object X is a source of light
  • Object X is made from the magnetic material
  • None of these
What is true about reflection from plane mirror?
  • The image formed by plane mirror is erect and virtual
  • Size of the image formed by plane mirror is equal to the size of the object
  • The distance of the image behind the plane mirror is equal to the distance of the object from the mirror
  • All of the above
Read the statement given by two students X & Y. X says - We cannot see our image in the mirror in complete dark room because there is no light to reflect.Y says- We cannot see objects through T shaped pipe because light travels through straight line.Who is correct?
  • X's statement is correct
  • Y's statement is correct
  • Both X's and Y's statement is correct
  • None of these two statement is correct
Look at the set up of an experiment carefully and understand it :-What kind of objects were AB&C, which are used to form the shadow as given in the picture
  • A-opaque, B- translucent, C- Transparent
  • A- Transparent, B- Opaque, C- Translucent
  • A- Opaque, B- Translucent, C- Transparent
  • None
An experiment was done in a dark place. Sheet P,Q & R are arranged in a straight line. When the bulb was turned on, bright circular patch of light was is seen on Sheet R only.Which of the following correctly classifies Sheet P,Q & R according to their properties?[AL-Allows light to pass throughDAL- Does not allow light to pass through][AL & DAL terms have been used ]
  • AL- Sheet P & Q ; DAL - Sheet R
  • AL - Sheet P and R ; DAL - Sheet Q
  • AL - Sheet Q ; DAL - Sheet P & R
  • AL - R ; DAL - Sheet P & Q
Sunlight was entering from a window to a dark room, in which a table is placed, A shadow of the table was observed on the wall of the room. Match the following on the basis of above information.
  • (i-c), (ii-A), (iii-C), (iv-B)
  • (i-C), (ii-D), (iii-A), (iv-B)
  • (i-C), (ii-A), (iii-C), (iv-D)
  • (i-D), (ii-A), (iii-B), (iv-C)
Two similar-sized objects are placed on the ground in the sunlight. In which case the shadows of the two objects will be different.
  • The shadows of one black pen and one blue pen
  • The shadows of one thick notebook and one thin notebook placed facing their front-flat surfaces towards the sun
  • The shadows of one yellow rose and one red rose
  • The shadows of two chairs with different sides facing towards the sun
Two statement are given below. Read the question and choose the correct option-Statement 1: The shadows are black in colourStatement 2: No light reaches the area where shadow is formedWhich of the following is correct about the statements?
  • Statement-1 is false but statement-2 is true
  • Both Statement-1 and Statement-2 are true and Statement-2 is not the correct explanation of Statement-1.
  • Statement-1 is true but statement-2 is false.
  • Both Statement-1 and Statement-2 are true and Statement-2 is correct explanation of Statement-1
Suppose a man's height is 6feet, then what will be the height of the man in a plane mirror?
  • Same
  • Bigger
  • Smaller
  • None
Observe the picture and identify, X,Y & Z.
  • Y- opaque object, Z- Source of light, X- Shadow
  • Y- source of light, Z- opaque object, X- Shadow
  • Y- source of light, Z- Shadow, X- Opaque Object
  • X- opaque object, Z- Source of light, Y- Shadow
Can you see through it. Yes or No & Why ?
  • Yes, because light gets bent along the pipe.
  • No, because light travels in a straight line.
  • Yes, light gets reflected.
  • I don't know maybe light gets absorbed.
Who all made the correct statement[s]?
  • Only Marie is correct
  • Only peter is correct
  • Marry & Peter are correct
  • Jack and peter are correct.
Non-luminous objects are objects which:
  • A) Produce their own light
  • B)Do not produce its own light
  • C) Can be seen only when light falls o them 
  • D) Both (B) and (C)
A transparent object which is mostly used in windows of houses.
  • A) polythene
  • B) Wood
  • C) Glass
  • D) Ground glass
Which of the following characteristics are observed in an image formed by a pinhole camera?
  • A) Virtual image
  • B) Real image
  • C) Erect Image
  • D) Image of different colour
Which of the flowing is a transparent object?
  • A) Cardboard
  • B)Tracing paper
  • C) Air
  • D) Clear glass
Light travels in a:
  • A) Circular path
  • B) Rectilinear path
  • C) Rotational path
  • D) Triangular path
Which of the following is not a necessary condition for the formation of ashadow?
  • A) An opaque object
  • B) A screen
  • C) A transparent object
  • D) A source of light
Images of actors on screen in cinema halls are;
  • A) Virtual images
  • B) Real images
  • C) Imaginary images
  • D) All the above
We can see any object if:
  • A) It is a luminous object.
  • B) It reflects the light falling on it.
  • C) It is placed in a dark room.
  • D) Both [a] and [b]
Opaque objects:
  • A) Allow light to pass through them.
  • B) Allow light to pass through them partially.
  • C) Allow light not to pass through them.
  • D) Both [b] and [c]
A very narrow beam of light is called:
  • A) Ray
  • B) Beam
  • C) Candela
  • D) All the above
Which of the following images are real?
  • A) Image formed on the screen of cinema hall.
  • B) Image formed by a pinhole camera.
  • C) Image formed by a concave mirror when object is placed at infinity.
  • D) All the above
Narrow beam of light before reflection in known as:
  • A) Reflected ray
  • B) Incident ray
  • C) Normal ray
  • D) Reflection
State the answer 1. This source of light is emitted even when the object is not hot2. This source of light is emitted the object gets heated
  • Incandescent and Luminescent, respectively
  • Luminous andNon- luminous, respectively
  • Fire and Water, respectively
  • Luminescent and Incandescent, respectively
  • All of the above
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