Physics Quiz - 3, General Knowledge Free MCQ Test with solutions for SSC

Radio telescopes are better than optical telescopes because

Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit

Out of the following pairs, which one does not have identical dimension?

Mercury is commonly used as a thermometric fluid rather than water because

Optical fibre works on the

Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in

Supersonic plane fly with the speed

Mach number is used in connection with the speed of

On a stationary sail boat, air is blown from a fan attached to the boat. The boat

Rainbow is due to

Stars which appear single to the naked eye but are double when seen through a telescope are

ML²T^-2 is the dimensional formula for

Solar eclipse will take place when

Isotopes of an element contain

One watt-hour is equivalent to

Sir C.V. Raman was awarded Nobel Prize for his work connected with which of the following phenomenon of radiation?

In which of the following industries is mica as a raw material?

Radiocarbon dating technique is used to estimate the age of

Identify the vector quantity from the following

Large astronomical telescopes always use as objective

One should not connect a number of electrical appliances to the same power socket because

Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this?

1. Diffusion
2. Refraction
3. Internal reflection

Natural radioactivity was discovered by

Planets are

Intensity of sound has