Shubham Jha - Class 9
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A body moving in a straight line has a uniform motion if it travels ………
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12%
More
7%
Less
70%
Equal
10%
All
Velocity is defined as ……………. per unit time.
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16%
Distance
16%
Speed
58%
Displacement
10%
Acceleration
Acceleration is vector quantity and its SI unit is ……………..
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30%
Ms
46%
Ms^-2
11%
Ms^1
13%
None
A physical quantity that has magnitude as well as …………… is called vector quantity
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14%
Distance
33%
Displacement
51%
Direction
2%
None
Forwarded from Shubham Jha - Class 11 & 12 (Shubham Jha)
An atom with 3 protons and 4 neutrons will have a valency of
Anonymous Quiz
15%
4
33%
3
11%
2
41%
1
How many electrons are present in M-shell of an element with atomic number 20?
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11%
5
61%
8
23%
12
5%
15
The ion of an element has 3 positive charges. Mass number of the atom is 27 and the number of neutrons is 14. What is the number of electrons in the ion?
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30%
13
42%
10
22%
14
6%
16
Rutherford’s a-particle scattering experiment led to the discovery of the ……………….
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33%
Atomic mass
24%
Atomic number
39%
Atomic nucleous
4%
None
Cathode rays consist of negatively charged particles known as ……………
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62%
Electron
18%
Proton
18%
Neutron
2%
None