
Structure of atom
Authored by Miss Shweta
Science
9th Grade
Used 6+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
The first model of an atom is given by:
परमाणु का प्रथम मॉडल दिया गया :
N. Bohr /बोहर
Goldstein /गोल्डस्टीन
Rutherford /रदरफोर्ड
J. J. Thomson /जे. जे. टाॅमसन
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Atomic No. of Aluminium is :
एल्युमिनियम की परमाणु संख्या है :
11
20
13
15
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Symbol of potassium is :
पोटैशियम का प्रतीक है :
Fe
K
P
Ps
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
In Rutherford 's gold foil experiment, 1 of 12000 particles of rays return back to its path showing that:
रदरफोर्ड के सोने की पन्नी के प्रयोग में पाया गया कि किरणों के 12000 में से एक कण उसी दिशा में वापिस आ गया जो दर्शाता है :
Most of the atoms is hollow/ज्यादातर परमाणु खाली हैं
Atom is spherical/परमाणु गोल है
Atom is neutral/परमाणु उदासीन है
Atom have dense nucleus at the centre/परमाणु के केंद्र में सघन केंद्रक है
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Who discovers proton?
प्रोटोन की खोज किसने की?
J. J. Thomson/जे. जे. थोमसन
Rutherford /रदरफोर्ड
Goldstein /गोल्डस्टीन
N. Bohr/ बोहर
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Charge on electron is:
इलेक्ट्रॉन पर आवेश है :
-1.9 * 10^-19 C
+1.9 * 10^-19 C
-1.6 * 10^-19 C
+1.6 * 10^-19 C
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Net charge on atom is:
परमाणु पर नेट आवेश है:
Positive/ धनात्मक
Negative /ऋणात्मक
Zero/शून्य
All of these/ये सभी
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