Science and General Knowledge

How many fundamental units are there in total?

• 5

• 6

• 7

• 8

What is the unit of acceleration?

• m/s²

• m/s

• kg.m/s

• Newton

Which of the following expression is correct for the working principle of lever?

• Load / Effort

• Effort / Load

• Effort distance / Load distance

• Load x Load distance = Effort x Effort distance

What type of object floats on water?

• having greater density than that of water

• having less density than that of water

• having equal density with water

• none of above

Which of the following is another name for concave mirror?

• Plane mirror

• Convex mirror

• Diverging mirror

• Converging mirror

What is the temperature of normal human body?

• 98.6^oF

• 96.8^oF

• 68.9^oF

• 89.6^oF

What is the unit of frequency of sound?

• Newton

• Joule

• Pascal

• Hertz

Which device converts the electrical energy into light energy?

• Generator

• Bulb

• Fan

• Iron

Which of the following helps in conserving the property of a magnet?

• Heating

• Keeping opposite poles of a magnet together

• Hammering

• Dropping from a height

Which one of the following is the composition of fuse?

• Copper and Zinc

• Copper and Lead

• Zinc and Lead

• Lead and Tin