Lumen's Quiz Round 2

Name the elementary particles whose presence in large numbers on the surface of the earth is an evidence of time dilation?

• Muons

• Neutrinos

• Higgs Boson

• Photon

What is the ratio of Cp / Cv for diatomic ideal gas at room temperature ?

• 3/5

• 7/5

• 2/5

• 6/5

What is the number of fermions with spin 3/2 that can be accommodated in a level/box ?

• 1

• 2

• 3

• 4

The phenomenon which explains the alpha decay is :  

• Quantum Entanglement

• Quantum Decoherence

• Quantum tunneling

• Quantum Teleportation

What is the correct formula for average velocity of molecules of an ideal gas according to kinetic theory of gases ?(where symbols have usual meanings)

• √8RT/πM

• √5RT/πM

• √2RT/πM

• √8RT/3πM
  

Which of the following pairs is an example of isotones ?

• Carbon-12 and Oxygen-16

• Nitrogen-14 and Helium-2

  
  

• Sulphur-34 and Oxygen-16

• Sulphur-36 and Calcium-40

A freely falling object on the earth’s surface do not fall straight down but slightly deflects towards the east because of ____ .

• Coriolis force

• Gravitational pull

• Magnetic Field

• Air resistance

Pulsars are __?  

• Type of Galaxies

• Type of Neutron Stars

  
  

• Type of Asteroids

• Type of Black Holes

  
  

The rate of change of acceleration with respect to time is called …… ?  

• Siphon

• Jerk

• Momentum

• Impulse

The shape of fringes form in YDSE

• Ellipse

• Circle

• Hyperbola

• Parabola