What are vibrations?
Fast to-and-fro movements
Fast back and forth movements
Slow back and forth movements
Slow to-and-fro movements
Objects that gives out light are
Luminous objects
Non-luminous objects
Mechanical objects
Electrical objects
Identify the force applied in the picture?
Pull
Push
Bend
Twist
How are sounds produced?
By reflection
By vibration
By refraction
By radiation
Which is the man made thing used to move things ?
Water
Air
Crane
Wind
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
Which is a non luminous object?
Sun
Candle
Fire
Moon
Which is a luminous living thing?
Fireflies
Crickets
Cockroaches
Houseflies
Eyes, ears, nose, tongue and skin are
Sense organs
Respiratory organs
Circulatory organs
Digestive organs
