
23 march

Quiz
•
Others
•
12th Grade
•
Hard

Radha Krishna
Used 1+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
Rutherford used Bi as alpha particle source
Distance of closest approach is directly proportional to inverse of mass
Rutherford was able to explain line spectrum but unable to explain stability
How many correct??
1
2
3
All
2.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
1. As we go to further shells, time period of electron decreases and frequency increases
2. As we go to further shells, kinetic energy of electron decreases
True false
False true
False false
True true
3.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
Two atoms collided and kinetic energy loss is 12.75 eV. The collision is
Elastic
In elastic
Both have 50% possibility
Can't say
4.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
1. Proton is made up of 3 quarks
2. Neutron is made up of 2 quarks
3. Proton is stable outside nucleus while neutron is unstable outside nucleus
How many correct
1
2
3
All
5.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
1. Density of nucleus is directly proportional to mass number
Maximum kinetic energy of electron is directly proportional to energy of incident photon in photoelectric effect
True false
False true
False false
True true
6.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
1. Nuclear force is strongest in nature
2. It follow inverse square law
3. Its along the line joining the centre of mass
4. It is short range force
One statement correct
2 statement correct
All correct
3 correct
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