How can we avoid noise?
By talking loudly
By playing loud music
By speaking softly
By firing crackers
Which is the main source of light?
Moon
Sun
Earth
Planet
Which is a luminous living thing?
Fireflies
Crickets
Cockroaches
Houseflies
Which is a non luminous object?
Candle
Fire
How are sounds produced?
By reflection
By vibration
By refraction
By radiation
Which is an example of force changing the shape of an object?
Pulling of trolley bag
Pushing open a door
Stretching of rubber band
Hitting of foot ball
Identify the force applied in the picture?
Pull
Push
Bend
Twist
What is formed when an object blocks the path of light?
Reflection
Dimension
Shadow
Refraction
Which of the following statement is false?
A book is a non-luminous object
Music is a pleasant sound
We should blow horns unnecessarily
Force can change the shape of an object
A tube light is a
Luminous object
Non-luminous object
Mechanical object
Solar object
