Class 05 EVS Light And Sound CBSE Questions & Answers

Class 5 · EVS Light And Sound

This is Science and Social Science (EVS) class 05 EVS Light and Sound CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Loudness of sound depends upon
  • A
    Amplitude
    Correct
  • B
    Time-period
  • C
    Frequency
  • D
    Wavelength
2
Real image is always
  • A
    Diminished
  • B
    Erect
  • C
    Parallel
  • D
    Inverted
    Correct
3
Which type of mirror always forms virtual, erect and image of same side?
Question 3 figure 1
  • A
    Plane mirror
    Correct
  • B
    Convex mirror
  • C
    Concave mirror
  • D
    Biconcave mirror
4
Sound of frequency less than 20 Hz is called
  • A
    Ultrasound
  • B
    Moderate sound
  • C
    Infrasound
    Correct
  • D
    Sonic sound
5
Which one is a natural living luminous body?
  • A
    Bat
  • B
    Jugnoo
    Correct
  • C
    Cat
  • D
    Fish
6
Stars are luminous body but planets are
  • A
    Also luminous
  • B
    Luminous during day only
  • C
    Non-luminous
    Correct
  • D
    Luminous during night
7
Rainbow is formed due to
  • A
    Reflection of light by water droplets
  • B
    All of these
  • C
    Refraction of light through air
  • D
    Dispersion of light by water droplets
    Correct
8
SONAR works on the principle of
  • A
    Reflection of sound
    Correct
  • B
    Refraction of sound
  • C
    Vibration of medium
  • D
    Multiple reflection
9
Which of the following is not necessary for shadow formation?
  • A
    Unidirectional light
  • B
    Translucent body
  • C
    Opaque object
  • D
    Large sized transparent body
    Correct
10
Process of bouncing back of light in same medium is called
  • A
    Reflection of light
    Correct
  • B
    Dispersion of light
  • C
    Inversion of light
  • D
    Refraction of light
11
In regular reflection
  • A
    Refracted rays are parallel to each other
  • B
    Reflected rays are perpendicular to each other
  • C
    Reflected rays intersect each other
  • D
    Reflected rays are parallel to each other
    Correct
12
Which of the following organism can move in dark without colliding with other objects?
Question 12 figure 1
  • A
    Pigeon
  • B
    Owl
  • C
    Bat
    Correct
  • D
    Crow
13
Which source of light is called ultimate source of light?
  • A
    Electric bulb
  • B
    Sun
    Correct
  • C
    Street light
  • D
    Moon
14
Which type of mirror is used to make Periscope?
  • A
    Convex mirror
  • B
    Virtual mirror
  • C
    Plane mirror
    Correct
  • D
    Concave mirror
15
Which of the following voices is likely to have minimum frequency?
  • A
    A baby boy
  • B
    A man
    Correct
  • C
    A women
  • D
    A baby girl