PHY 3RD SS 2

The breaking up of white light into its component is  

• dispersion

• reflection

• refraction

• scattering

---------- is the component of colour in a rainbow that can be seen when light passes through a glass prism  

• phenomena of scattering of light

• phenomena of dispersion of light

• Phenomena of reflection of light

• phenomena of diffraction of light

How many are the components of white light?  

• 5

• 6

• 7

• 8

Which of this is the example of dispersion of light  

• sky looks bright orange in the evening

• shadow

• pool seems shallower

• rainbow

These are all colours of spectrum except  

• indigo

• blue

• purple

• green

A transparent object that bends light into rainbow colours  

• prism

• mirror

• convex lens

• concave lens

Which of the following is Not a source of light ?   

• eyes

• lit candle

• sun

• firefly

The lower and upper fixed point for the Celsius scales are   

• 0 and 272

• 0 and 373

• 10 and 100

• 0 and 100

There are how many types of scales in current use  

• 1

• 2

• 3

• 4

Which is not correct as part of the types of thermometer    

• Gas Thermometer

• Plastic Thermometer

• Resistance Thermometer

• Thermoelectric thermometer