NEET Test Series from KOTA - 10 Papers In MS WORD
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TEST SERIES (PHYSICS FST)
266506
For a gas, the r.m.s. speed at 800 K is
1 Four times the value at 200 K
2 Half the value at 200 K
3 Twice the value at 200 K
4 Same as at 200 K
Explanation:
c \[ \begin{aligned} & v \times \sqrt{T} \\ & \frac{v_2}{v_1}=\sqrt{\frac{800}{200}}=2 \end{aligned} \]
**NCERT-XI-II-250**
TEST SERIES (PHYSICS FST)
266507
Given below are two statements: Statement I: Force is a vector quantity. Statement II : Electric current is a vector quantity. In the light of the above statements, choose the most appropriate answer from the options given below :
1 Both Statement I and Statement II are incorrect
2 Statement I is correct but Statement II is incorrect
3 Statement I is incorrect but Statement II is correct
4 Both Statement I and Statement II are correct. \(=16, \mathrm{Na}=23, \mathrm{Mg}=24, \mathrm{P}=31, \mathrm{~S}=32, \mathrm{Cl}=35.5\), \(\mathrm{J}=108, \mathrm{I}=127, \mathrm{Ba}=137, \mathrm{Au}=197, \mathrm{~Pb}=207\) SECTION-A Attempt All 35 Questions
c \[ \begin{aligned} & v \times \sqrt{T} \\ & \frac{v_2}{v_1}=\sqrt{\frac{800}{200}}=2 \end{aligned} \]
**NCERT-XI-II-250**
TEST SERIES (PHYSICS FST)
266507
Given below are two statements: Statement I: Force is a vector quantity. Statement II : Electric current is a vector quantity. In the light of the above statements, choose the most appropriate answer from the options given below :
1 Both Statement I and Statement II are incorrect
2 Statement I is correct but Statement II is incorrect
3 Statement I is incorrect but Statement II is correct
4 Both Statement I and Statement II are correct. \(=16, \mathrm{Na}=23, \mathrm{Mg}=24, \mathrm{P}=31, \mathrm{~S}=32, \mathrm{Cl}=35.5\), \(\mathrm{J}=108, \mathrm{I}=127, \mathrm{Ba}=137, \mathrm{Au}=197, \mathrm{~Pb}=207\) SECTION-A Attempt All 35 Questions