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 1 Mark Questions 2020 - Part Nine
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.
Two simple pendulums of lengths 0.5m and 2.0m respectively are given small linear displacement in one direction at the same time. They will again be in phase when the pendulum of shorter length has completed _______ oscillations.
5
3
1
2
2.
A particle, moving along the x-axis, executes simple harmonic motion when the force acting on it is given by (A and k are positive constants.) ________.
- Akx
A cos(kx)
A exp(-kx)
Akx
3.
The rms speed of the particles of fume of mass 5\(\times\)10-17 kg executing Brownian motion in air at STP is _________.
1.5 ms-1
3.0 ms-1
1.5 cms-1
3.0 cms-1
4.
The average energy of a molecules of a mono atomic gas at temperature T is _____________ (K = Boltzmann constant).
\(\frac{1}{2}\)kT
kT
\(\frac{3}{2}\)kT
\(\frac{5}{2}\)kT
5.
Pressure exerted by a gas is _______.
independent of the density of the gas
inversely proportional to the density of the gas
directly proportional to the density of the gas
directly proportional to the square of the density of the gas
6.
If the absolute temperature of a gas is increased 3 times the rms velocity of the molecules will be _________.
3 times
9 times
\(\sqrt 3\) times
\(\sqrt 6\) times
7.
For an ideal gas the interparticle interaction is ___________
attractive
repulsive
very large
zero
8.
The mass of 1 litre of helium under a pressure of 2 atm and at a temperature of 27°C is _______________.
0.16 g
0.32 g
0.48 g
0.64 g
9.
The period of revolution of planet A around the Sun is 8 times that of B. The distance of A from the Sun is how many times greater than that of B from the Sun ___________.
2
3
4
5
10.
A piece of wood is taken deep inside a long column of water & released it will move up.
with a constant upward acceleration
with decreasing upward acceleration
with a deceleration
there will be uniform velocity
11.
Substances that elongate considerably and undergo plastic deformation before they break are known as ________________.
brittle substances
breakable substances
ductile substances
elastic substances
12.
If two soap bubbles of different radii are connected by a tube, then ____________.
air flows from bigger to the smaller bubble till the sizes become equal
air flows from bigger bubble to the smaller bubble till the size are interchanged
air flows from the smaller bubble to the bigger
there is number flow of air
13.
A certain number of spherical drops of a liquid of radius R coalesce to form a single drop of radius R and volume V. If T is the surface tension of the liquid, then
energy = 4 V T \(\left( \frac { 1 }{ r } -\frac { 1 }{ R } \right) \)is released
energy = 3 V T \(\left( \frac { 1 }{ r } +\frac { 1 }{ R } \right) \)is absorbed
energy = 3 V T \(\left( \frac { 1 }{ r } -\frac { 1 }{ R } \right) \)is released
energy is neither released nor absorbed
14.
The direction of torque acts ____________.
along \(\overrightarrow {F}\)
along \(\overrightarrow {r} \)&\( \overrightarrow {F} \)
Perpenticular to \( \overrightarrow {r} \)
Perpenticular to both \( \overrightarrow {r} \) and \( \overrightarrow {F} \)
15.
The sum of moments of masses of all the particles in a system about the center of mass is _____________.
minimum
maximum
zero
infinity
16.
A mass is whirled in a circular path with constant angular velocity and its angular momentum is L. while the string is now halved keeping the angular velocity the same, the angular momentum is ______________.
\(\frac { L }{ 4 } \)
\(\frac { L }{ 2 } \)
L
2L
17.
In the absence of air resistance, horizontal velocity of the projectile is _____________.
always negative
equal to 'g'
directly proportional to g
a constant
18.
A bullet hits and gets embedded in a solid block resting on a horizontal frictionless table. Which of the following is conserved?
Momentum and kinetic energy
kinetic energy alone
Momentum alone
potential energy alone
19.
A gramophone record is revolving with an angular velocity \(\omega\). A coin is placed at a distance r from the centre of the record. The static coefficient of friction is \(\mu\). The coin will revolve with the record if ______________.
\(r=\mu g \omega^2\)
\(r=<{\omega^2\over \mu g }\)
\(r=\le{\mu g\over \omega^2}\)
\(r=\ge{\mu g\over \omega^2}\)
20.
A mass m moving horizontally (along the x-axis) with velocity v collides and sticks to a mass of 3m moving vertically upward (along the y-axis) with velocity 2v. The final velocity of the combination is _______________.
\(\frac{3}{2}v\hat i+\frac{1}{4}v\hat j\)
\(\frac{1}{4}v\hat i+\frac{3}{2}v\hat j\)
\(\frac{1}{3}v\hat i+\frac{2}{3}v\hat j\)
\(\frac{2}{3}v\hat i+\frac{1}{3}v\hat j\)
21.
Three particles, each of mass m gram, are situated at the vertices of an equilateral triangle ABC of side I cm (as shown in the figure). The moment of inertia of the system about a line AX perpendicular to AB and in the plane of ABC, in gram cm2 units will be _________________.
\(\frac { 3 }{ 4 } \)ml2
2 ml2
\(\frac { 5 }{ 4 } \)ml2
\(\frac { 3 }{ 2 } \)ml2
22.
A student measures the distance traversed in free fall of a body, initially at rest, in a given time, He uses this data to estimate g, the acceleration due to gravity, If the maximum percentage errors in measurement of the distance and the time are e1 and e2 respectively, the percentage error in the estimation of g is ______________.
e2-e1
e1+2e2
e1+e2
e1-2e2
23.
With increase of temperature, the frictional force acting between two surfaces ______________.
increases
remains the same
decreases
becomes zero
24.
When a body moves once circular path, the ______________
magnitude of velocity changes and its direction remain constant
magnitude of velocity remains constant and its direction changes continuously
magnitude of velocity remains constant and direction remains constant
magnitude of velocity and direction changes continuously
25.
If one object is dropped vertically downward and another object is thrown horizontally from the same height, then the ratio of vertical distance covered by both objects at any instant t is
1
2
4
0.5
1.
(d)
2
2.
(a)
- Akx
3.
(c)
1.5 cms-1
4.
(c)
\(\frac{3}{2}\)kT
5.
(c)
directly proportional to the density of the gas
6.
(c)
\(\sqrt 3\) times
7.
(d)
zero
8.
(b)
0.32 g
9.
(c)
4
10.
(b)
with decreasing upward acceleration
11.
(c)
ductile substances
12.
(c)
air flows from the smaller bubble to the bigger
13.
\(n \times \frac{4}{3} \pi r^{3}=\frac{4}{3} \pi R^{3}\)
\(\therefore \text { Energy }=3 V T\left(\frac{1}{r}-\frac{1}{R}\right) \text { is released }\)
14.
(d)
Perpenticular to both \( \overrightarrow {r} \) and \( \overrightarrow {F} \)
15.
(c)
zero
16.
(a)
\(\frac { L }{ 4 } \)
17.
(d)
a constant
18.
(d)
potential energy alone
19.
(c)
\(r=\le{\mu g\over \omega^2}\)
20.
(b)
\(\frac{1}{4}v\hat i+\frac{3}{2}v\hat j\)
21.
(c)
\(\frac { 5 }{ 4 } \)ml2
22.
(b)
e1+2e2
23.
(b)
remains the same
24.
(b)
magnitude of velocity remains constant and its direction changes continuously
25.
For a free falling body, initial vertical downward velocity = 0
For a body thrown horizontally with a velocity, initial vertical downward velocity = 0
Since both having same initial vertical downward velocity they cover equal vertical distance at any instant
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
