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 Four
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.
The vector product of two vectors will have maximum magnitude when \(\theta\) is equal to ______________
0o
90o
180o
360o
2.
\(\hat i.\hat j\) is ____________.
0
1
\(\infty \)
none
3.
If \(\hat n\) is a unit vector along the direction of \(\vec A\), the \(\hat n\) is ____________.
\(\vec AA\)
n x A
\(\frac{\vec A}{A}\)
\(\vec A|A|\)
4.
The maximum possible error in the difference of two quantities is___________.
Z=A+B
\(\triangle Z=\triangle A-\triangle B\)
\(\frac{\triangle Z}{Z}=\frac{\triangle A}{A}+\frac{\triangle B}{B}\)
\(\frac{\triangle Z}{Z}=\frac{\triangle A\triangle B}{AB}\)
5.
The range of distance can be measured by using direct methods is________
10-2 to 10-5 m
10-2 to 102 m
102 to 10-5 m
10-2 to 105 m
6.
Fundamental quantities can also be known as________quantities.
original
physical
negative
base
7.
The study of production and propagation of sound waves_____________.
Astrophysics
Acoustics
Relativity
Atomic physics
8.
A bus travelling the first one-third distance at a speed of 10 km/h, the next one-third at 20 km/h and at last one-third at 60 km/h. The average speed of the bus is _____________.
9km/h
16km/h
18km/h
48km/h
9.
If a car at rest accelerates uniformly to a speed of 144 km/h in 20 sec, it covers a distance of _______________.
1440cm
2980cm
20m
400m
10.
TIle dimensional formula of torque is _____________.
[ML2T-2]
[MLT-2]
[ML-1T-2]
[ML-2T-2]
11.
If the velocity of a particle is v= At + Bt2, where A and B are constants, then the distance travelled by it between 1 s and 2 s is _______________.
\({3\over2}A+{7\over3}B\)
\({A\over2}+{B\over3}\)
\({3\over2}A+4B\)
\(3A+7B\)
12.
A force F is applied on to a square plate of side L. If the percentage error in determining L is 2% and that in F is 4%, the percentage error in pressure is ____________.
8%
4%
6%
3%
13.
If the energy E = GPhqCr where G is the universal gravitational constant, h is the planck's constant and C is the velocity of light, then the values of p, q and r are respectively ______________.
\(-{1\over2},{1\over2}and {5\over2}\)
\({1\over2},-{1\over2}and-{5\over2}\)
\(-{1\over2},{1\over2}and {3\over2}\)
\(-{1\over2},-{1\over2}and- {3\over2}\)
14.
A jet engine works on the principle of ______________.
conservation of linear momentum
conservation of mass
conservation of energy
conservation of angular momentum
15.
Electric charge is an example for_________quantity.
vector
fundamental
scalar
both (a) and (b)
16.
High precision instruments are used to eliminate ______________.
personal error
random error
chance error
least count error
17.
A man wants to hit the target, he should point its rifle ______________
higher than target
lower than target
in the same direction
nothing can be said
18.
Which one of the following motions on a smooth plane surface does not involve force?
accelerated motion in a straight line
retarded motion is a straight line
motion with constant momentum along a straight line
motion along a straight line with varying velocity
19.
A body is allowed to fall from a height of 100 m. If the time taken for the first 50m is t1, and for the remaining 50m is t2, then ________________
t1 = t2
t1 > t2
t1 < t2
depends upon the mass
20.
While walking, the vertical component of reactive force balances our ____________.
force
mass
weight
impulse
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 linear momentum of the object is increased by 0.1% then the kinetic energy is Increased by
0.1 %
0.2 %
0.4 %
0.01 %
23.
Two blocks of masses m and 2m are placed on a smooth horizontal surface as shown. In the first case only a force F1 is applied from the left. Later only a force F2 is applied from the right. If the force acting at the interface of the two blocks in the two cases is same, then F1 :F2 is
1:1
1:2
2:1
1:3
24.
If a particle executes uniform circular motion in the xy plane in clockwise direction, then the angular velocity is in
+y direction
+z direction
-z direction
-x direction
25.
The dimensional formula for gravitational constant G is
[ML3T-2]
[M-1L3T-2]
[M-1L-3T-2]
[ML-3T2]
1.
(b)
90o
2.
(a)
0
3.
(c)
\(\frac{\vec A}{A}\)
4.
(c)
\(\frac{\triangle Z}{Z}=\frac{\triangle A}{A}+\frac{\triangle B}{B}\)
5.
(c)
102 to 10-5 m
6.
(d)
base
7.
(b)
Acoustics
8.
(c)
18km/h
9.
(d)
400m
10.
(a)
[ML2T-2]
11.
(a)
\({3\over2}A+{7\over3}B\)
12.
(a)
8%
13.
(a)
\(-{1\over2},{1\over2}and {5\over2}\)
14.
(a)
conservation of linear momentum
15.
(c)
scalar
16.
(d)
least count error
17.
(a)
higher than target
18.
(c)
motion with constant momentum along a straight line
19.
(b)
t1 > t2
20.
(c)
weight
21.
(a)
a line perpendicular to the plane of rotation
22.
\(\text { Kinetic energy } E_{k}=\frac{p^{2}}{2 m}\)
\(\frac{\Delta E_{k}}{E_{k}}=\frac{2 \Delta p}{p}\)
\(\text {Given that } \frac{\Delta p}{p}=0.1\)
∴ Increase in kinetic energy
\(\frac{\Delta E_{k}}{E_{k}}=2 \frac{\Delta p}{p} \)
\(\frac{\Delta E_{k}}{E_{k}}=2 \times 0.1=0.2 \% \)
23.
(c)
2:1
24.
Use thumb rule
25.
\(\text { Gravitational constant } G=\frac{F r^{2}}{m_{l} m_{2}}\)
\(\text { Dimensional formula of } \mathrm{G}=\frac{\left[\mathrm{MLT}^{-2}\right]\left[\mathrm{L}^{2}\right]}{[\mathrm{M}][\mathrm{M}]}\)
\(=\frac{\mathrm{ML}^{3} \mathrm{~T}^{-2}}{\mathrm{M}^{2}}=\mathrm{M}^{-1} \mathrm{~L}^{3} \mathrm{~T}^{-2}\)
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
