11th Standard Syllabus & Materials
11th Standard
TN 11th Tamil இயற்கை வேளாண்மை,சுற்றுச்சூழல் -செய்யுள் - மனோன்மணீயம் Important Questions And Answers Study Material - QB365 Set A
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TN 11th Tamil என்னுயிர் என்பேன் -துணைப்பாடம் - இசைத்தமிழர் இருவர் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil மொழி கலை -செய்யுள் - ஒவ்வொரு புல்லையும் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil பீடு பெற நில் - இலக்கணம் - பகுபத உறுப்புகள் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil பீடு பெற நில் - துணைப்பாடம் - வாடிவாசல் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil பீடு பெற நில் - செய்யுள் - குறுந்தொகை Important Questions And Answers Study Material - QB365 Set A
Published on: 10/11/2020
11th Standard Physics English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Eight
Download Tamil Nadu 11th Standard Physics question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Physics Test1.
In the following, what are the quantities which that are conserved?
Linear momentum of planet
Angular momentum of planet
Total energy of planet
Potential energy of a planet
2.
A simple pendulum has a time period T1. When its point of suspension is moved vertically upwards according as y = k t2, where y is vertical distance covered and k = 1 ms−2, its time period becomes T2. Then, \(\frac { { T }_{ 1 }^{ 2 } }{ { T }_{ 2 }^{ 2 } } \) is (g = 10 m s−2).
\(\frac{5}{6}\)
\(\frac{11}{10}\)
\(\frac{6}{5}\)
\(\frac{5}{4}\)
3.
Two identically sized rooms A and B are connected by an open door. If the room A is air conditioned such that its temperature is 4°C lesser than room B, which room has more air in it?
Room A
Room B
Both room has same air
Cannot be determined
4.
A hot cup of coffee is kept on the table. After some time it attains a thermal equilibrium with the surroundings. By considering the air molecules in the room as a thermodynamic system, which of the following is true
ΔU > 0, Q = 0
ΔU > 0, W < 0
ΔU > 0, Q > 0
ΔU = 0, Q > 0
5.
With an increase in temperature, the viscosity of liquid and gas, respectively will
increase and increase
increase and decrease
decrease and increase
decrease and decrease
6.
\(X\propto \frac { 1 }{ Y } \) (or) XY = constant is represented by ___________.
7.
Which of the following graph represents the equation y = kx2?
8.
In non-uniform circular motion, the resultant acceleration makes an angle with the radius vector is ___________.
\(\tan^{-1}(\frac{ra_t}{V^2})\)
\(\tan_{-1}(\frac{a_t}{(\frac{r}{v^2})})\)
\(\tan^{-1}(\frac{rv^2}{at})\)
\(\tan^{-1}(\frac{r+at^2}{v^2})\)
9.
In oblique projection horizontal range of the projectile is _______________.
\(\frac{u^2\sin^2\theta}{2g}\)
\(\frac{2u\sin\theta}{g}\)
\(\frac{u^2\sin2\theta}{g}\)
\(\frac{u^2}{g}\)
10.
For free falling body, its initial velocity is _____________.
0
1
\(\infty\)
none
11.
The second derivative of position vector with respect to time is _____________.
velocity
acceleration
force
displacement
12.
A car starting from rest, accelerates at a constant rate x from sometimes after which it decelerates at a constant rate y to come to rest. If the total time elapsed is t, the maximum velocity attained by the car is given by ______________.
\(\frac{xy}{x+y}t\)
\(\frac{xy}{x-y}t\)
\(\frac{x^2y^2}{x^2+y^2}t\)
\(\frac{x^2y^2}{x^2-y^2}t\)
13.
The vectors \(\vec A\) and \(\vec B\) to be mutually orthogonal when _________.
\(\vec A+\vec B=0\)
\(\vec A-\vec B=0\)
\(\vec A.\vec B=0\)
\(\vec A\times \vec B=0\)
14.
The ratio of one nanometer to one micron is__________________
10-3
103
10-9
10-6
15.
If C is the capacitance and V is the potential, the dimensional formula for CV2 is _______________.
ML2T-2
ML-1T-2
ML-2T-3
ML2T-1
16.
A passenger in the moving train throws a coin. If the coin falls in front of him, train must be moving with ________________.
uniform speed
acceleration
deceleration
uniform velocity
17.
Which of the following is the most accurate?
200.0 m
20\(\times\)101m
2\(\times\)102 m
data is inadequate
18.
The displacement of particle is given by X = ao + \(\frac{a_1t}{2}-\frac{2_2t^2}{3}\) What is its acceleration?
\(\frac{2a_2}{3}\)
\(-\frac{2a_2}{3}\)
a2
zero
19.
The fraction of \(1\over 273.16\) temperature of the triple point of water represents __________.
celsius
fahrenheit
centigrade
kelvin
20.
Two blocks A & B of masses 2m & m are connected by a massless and inextensible string. The magnitudes of acceleration of A & B immediately after the string is cut are ____________.
\(\frac { g }{ 2 } \),g
g,g
g,\(\frac { g }{ 2 } \)
\(\frac { g }{ 2 } \),\(\frac { g }{ 2 } \)
21.
When a mass is rotating in a plane about a fixed point, its angular momentum is directed along
a line perpendicular to the plane of rotation
the line making an angle of 45o to the plane of rotation
the radius
tangent to the path
22.
If the potential energy of the particle is \(\alpha -\frac { \beta }{ 2 } { x }^{ 2 }\), then force experienced by the particle is
F = \(\frac { \beta }{ 2 } { x }^{ 2 }\)
F = βx
F = -βx
F = -\(\frac { \beta }{ 2 } { x }^{ 2 }\)
23.
The law of electricity and magnetism is used to ____________
Wireless communication
Nuclear reactor
Steam engine
Aeroplane
24.
The density of a material in CGS system of units is 4 g cm-3. In a system of units in which unit of length is 10 cm and unit of mass is 100 g, then the value of density of material will be
0.04
0.4
40
400
25.
If the length and time period of an oscillating pendulum have errors of 1% and 3% respectively then the error in measurement of acceleration due to gravity is
4%
5%
6%
7%
1.
(c)
Total energy of planet
2.
\(\mathrm{T}= \mathrm{T}_{1}=2 \pi \sqrt{\frac{l}{g}} \)
\(T_{1}^{2}=4 \pi^{2} \frac{l}{g} \)
\(\mathrm{y}=\mathrm{kt}^{2} \quad \mathrm{k}=1 \mathrm{~m} \mathrm{~s}^{-2} \)
\(\therefore \mathrm{y}=\mathrm{t}^{2} \quad \mathrm{y} \propto \mathrm{t}^{2} \)
\(\frac{y_{1}}{y_{2}}=\frac{t_{1}^{2}}{t_{2}^{2}} \)
\(\frac{T_{1}^{2}}{T_{2}^{2}}=\frac{y_{1}}{y_{2}}=\frac{6}{5} \)
3.
As Temperature of room A is less than that of room B evidently Room A has more air in it.
4.
During the thermal equilibrium with surroundings internal energy is increased and heat energy will be increased.
\(\Delta U>0 Q>0\)
5.
(c)
decrease and increase
6.
(b)
7.
(a)
8.
(a)
\(\tan^{-1}(\frac{ra_t}{V^2})\)
9.
(c)
\(\frac{u^2\sin2\theta}{g}\)
10.
(a)
0
11.
(b)
acceleration
12.
(a)
\(\frac{xy}{x+y}t\)
13.
(c)
\(\vec A.\vec B=0\)
14.
(a)
10-3
15.
(a)
ML2T-2
16.
(c)
deceleration
17.
(a)
200.0 m
18.
(b)
\(-\frac{2a_2}{3}\)
19.
(d)
kelvin
20.
(a)
\(\frac { g }{ 2 } \),g
21.
(a)
a line perpendicular to the plane of rotation
22.
\(\text {Potential energy } P . E=\alpha-\frac{\beta}{2} x^{2}\)
P.E = Work = Fx
\(P=\alpha-\frac{\beta}{2} x^{2}\)
\(\text {Force }=\frac{d p}{d x}=\frac{d}{d x}\left(\alpha-\frac{\beta}{2} x^{2}\right)\)
\(=0-\frac{\beta}{2} \times 2 x =-\beta x \)
23.
(a)
Wireless communication
24.
(c)
40
25.
\(T =2 \pi \sqrt{\frac{l}{g}} \)
\(g =4 \pi^{2} l / T^{2} \)
\(\frac{d g}{g} =\frac{d l}{l}-\frac{2 d T}{T} \)
\(\frac{d g}{g} \% =\left(\frac{d l}{l}\right) \%-2\left(\frac{d T}{T}\right) \% \)
\(=1 \%-2 \times(-3 \%) \)
\(=1+6=7 \% \)
11th Standard Syllabus & Materials
11th Standard
TN 11th Tamil பீடு பெற நில் - செய்யுள் - காவடிச்சிந்து Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil பீடு பெற நில் - உரைநடை - மலை இடப்பெயர்கள் : ஓர் ஆய்வு Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil மாமழை போற்றுதும் - துணைப்பாடம் - யானை டாக்டர் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil மாமழை போற்றுதும் - செய்யுள் - ஐங்குறுநூறு Important Questions And Answers Study Material - QB365 Set A
Tamilnadu Stateboard 11th Standard Subjects
Maths
Commerce
Economics
Biology
Business Maths and Statistics
Accountancy
Computer Science
Physics
Chemistry
Maths
Biology
Economics
Physics
Chemistry
History
Business Maths and Statistics
Computer Science
Accountancy
Computer Applications
History
Computer Technology
Commerce
Computer Applications
Computer Technology
Tamil
English
French
Tamilnadu Stateboard Standards
