Practice

1 Joule =how many calories

Roll No.1

• 0.24

• 0.56

• 1.890

• 2.567

Energy is a _ quantity

Roll No.2

(a)  

Change of energy in firecracker

RollNo.4

• Chemical - Sound, Light , heat

• Electrical- Light, heat

• Light- Sound

Formula to find volume of cube

Roll No.5

• side^3

• side^2
• side^4
• 2*side

Formula to find Volume of cuboid

Roll No.6

• Length x Breadth x Height
• Length + Breadth + Height
• Length x Breadth / Height
• Length - Breadth - Height

Find The Volume of sphere

Roll No.7

• 4/3πr^3

• 2πr^2

• πr^2h

• 1/3πr^2h

Find area of triangle

Roll. NO 8

• 1/2*Base * Height

• 1/2Base + Height

• 1/2*Base / Height

• 1/2*Base - Height

What is Odometer

Roll. NO 9

• A device used for measuring the distance traveled by a vehicle

• A device used for measuring the speed of a vehicle
• A device used for measuring the fuel consumption of a vehicle
• A device used for measuring the air pressure of a vehicle's tires

SI unit of Speed

Roll. NO 10

• Meter per Second
• Kilometer per Hour
• Miles per Hour
• Feet per Second

SI unit of Density

Roll. NO 11

• Kilogram per cubic meter
• Kilogram per square meter
• gram per cubic centimeter

• Pascal per cubic meter