CBSE Questions for Class 7 Physics Light Quiz 2 - MCQExams.com

The phenomenon in which light that strikes a surface is thrown back into the same medium is called -
  • reflection
  • reflex action
  • refraction
  • regression
State whether true or false.
A plane mirror always forms a virtual image.
  • True
  • False
State whether true or false.
Image formed by a plane mirror is always laterally inverted.
  • True
  • False
A man stands in front of a plane mirror at a distance of 2 metres. The distance of his image from him will be -
  • 2 metres
  • 1 metres
  • 3 metres
  • 4 metres
State whether true or false.
The image formed by a plane mirror is always real.
  • True
  • False
The image formed by a plane mirror is generally inverted. State whether true or false.
  • True
  • False
State whether true or false.
The image formed in a plane mirror is formed as far behind the mirror as the object is in front of it.
  • True
  • False
State whether true or false.
The image formed by a plane mirror is of the same size as the object.
  • True
  • False
The image formed by a plane mirror is -
  • virtual
  • inverted
  • diminished
  • magnified
The bouncing of a beam of light from a polished surface in some other direction is called -
  • refraction
  • reflection
  • dispersion
  • scattering
If you raise your right hand in front of a plane mirror, what will you see in it?
  • You have raised your right hand
  • You have raised your left hand
  • You have lowered your right hand
  • You have lowered your left hand
An image formed by a plane mirror  is:
  • erect and smaller than the object
  • erect and of same size as the object
  • inverted and larger than the object
  • inverted and smaller than the object
Which of these are characteristics of an image formed by a plane mirror?
  • The image is virtual
  • The image is erect
  • The image formed is of the same size as that of 
    the object
  • The image is laterally inverted
Mark the statement which does not hold good for the image formed by a plane mirror:
  • Image formed by a plane mirror is erect
  • Image formed by a plane mirror can be obtained on screen
  • Image distance from a plane mirror is equal to the distance of object from the mirror
  • All the above statements are true
If you touch your _____ ear with your right hand in front of a plane mirror it will be seen in the mirror that your right ear is touched with _____ hand.
  • right, left
  • left, left
  • right, right
  • left, right
How things are visible to us?
  • Light gets reflected from our eyes and makes the object visible
  • Light from the object get reflected and makes the object visible
  • Both can occur according to the light condition
  • The reason is still not known
Which property of light is known as rectilinear propagation of light?
  • Light does not need a material medium to travel
  • Light does not change the property of media through which it travels
  • Light always travels in a straight line
  • All of the above
Image formed by a plane mirror is:
  • of same size as that of object
  • at the same distance behind the mirror as the object in front
  • erect
  • real in nature
One feature of image formed by plane mirrors is lateral inversion which means:
  • the top part of the image appears downward and vice versa
  • left and right sides of the image are interchanged
  • image appears inverted both sideways and upside down
  • all the above
What are the components of sunlight:
  • Violet,red,yellow,white,magenta,purple,silver
  • Violet,indigo,blue,green,,yellow,orange,red
  • Red,yellow,black,orange,silver,violet,blue
  • Can't be determined
Primary colours of light are:
  • Red, yellow, blue
  • Blue, orange, green
  • Red, blue, green
  • All colours
When a beam of light from an object actually meets at a point after reflection from a mirror then the image formed is known as:
  • either real or virtual image 
  • real image
  • virtual image
  • neither real nor virtual image
When an image of an object is seen in a plane mirror, the distance from the mirror to the image depends on:
  • the distance of the observer from the mirror
  • the distance of the object from the mirror
  • the distance of both the observer and the object to the mirror
  • the thickness of the mirror
When light is reflected from the a spherical or curved surface: 
  • the laws of reflections are followed
  • the laws of reflections are not followed
  • the laws of reflections may or may not be followed
  • one of  the laws is followed, the other is not
No matter how far you stand from a mirror, your image always appears erect. Then the mirror among the following is likely to be:
  • A plane mirror
  • A concave mirror
  • Any type of mirror
  • None of the above
For a single object, how many images are formed by a single plane mirror?
  • 1
  • 2
  • 3
  • 4
Image formed by a plane mirror is:
  • Erect, virtual and of same size of the object
  • Inverted, real and of smaller size than the object
  • Erect, real and of same size as the object
  • Inverted, virtual and of smaller size of the object
Which of the following most appropriately defines a spectrum?
  • The band of seven colours is known as spectrum
  • The process of splitting of white light into seven colours is known as spectrum
  • The different wavelengths of light are termed as spectrum
  • All of the above
What is the sequence of colors obtained on splitting of white light?
  • VBIGYOR
  • VIBGOYR
  • VIBGYOR
  • VIGBYOR
Sunlight is made up of ____ colors.
  • 7
  • 6
  • 5
  • 4
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