Physics with fun

Which colour has the minimum wavelength in the spectrum of visible light

• Blue

• Red

• Yellow

• Violet

Which colour has the least frequency in the visible light

• Red

• Yellow

• Orange

• Violet

What does vibgyor stand for

• The colour that we see in rainbow

• Gamma rays

• X rays

how many types of levers are there?

• 3

• 1

• 6

• 4

A scissor is a type of which lever

• first class

• second class

• third class lever

• fourth class lever

A bottle opener is which type of lever

• first class

• second class

• third class

what is the formula for mechanical advantage of a lever

• MA= E/L

• MA=L/E

• MA=L*E

THE FORMULA FOR TORQUE =?????

• T=FORCE * DISPLACEMENT

• T= DISPLACEMENT*FORCE

• T=DISPLACEMENT /FORCE

A CROWBAR OF LENGTH 120 CM HAS ITS FULCRUM SITUATED AT A DISTANCE OF 20 CM FROM THE LOAD. CALCULATE THE MECHANICAL ADVANTAGE .

HINT =(MA=EFFORT /LOAD)

HINT =(DRAW THE GIVEN THINGS IN A ROUGH PAGE)

• 3

• 4

• 12

• 5

CLASS 2 LEVER ARE DESIGNED TO HAVE??

• MECHANICAL ADVANTAGE = VELOCITY RATIO

• MA=5

• MA>2

• MA>1