11th Standard Syllabus & Materials
11th Standard
TN 11th Tamil இயற்கை வேளாண்மை,சுற்றுச்சூழல் -செய்யுள் - மனோன்மணீயம் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
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: 26/04/2019
+1 Physics Nature of Physical World and Measurement one mark questions
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.
If V-velocity, K - kinetic energy and T - time are chosen as the fundamental units, then what is the dimensional formula for surface tension?
[KV-2 T2]
[K2VT-2]
[KV2T2]
[KV-2T2]
2.
Which of the following is not dimensionless?
Relative permittivity
Refractive index
Relative density
Relative velocity
3.
The random error in the arithmetic mean of 50 observations is 'a', then the random error in the arithmetic mean of 200 observations a would be_______________
4a
16a2
\(a\over 4\)
\(a\over 2\)
4.
In a system of units, if force (F), acceleration (A) and time (T) are taken as fundamental units then the dimensional formula of energy is____________
[FA2T]
[FAT2]
[F2AT]
[FAT]
5.
The period of a simple pendulum is recorded as 2.56s, 2.42s, 2.71s, and 2.80s respectively. The average absolute error is___________________
0.1S
0.2S
1.0S
0.11S
6.
In a vernier caliper, n divisions of vernier scale coincides with (n - 1) divisions of main scale. The least count of the instrument is ______________
\(\frac{1}{n}\)MSD
\({n\over n+1}\)MSD
\({ n+1\over n}\)MSD
\({ n+1\over n-1}\)MSD
7.
If the percentage error in the measurement of mass and momentum of a body are 3% and 2% respectively, then maximum possible error in kinetic energy is ______________
2%
3%
5%
7%
8.
The quantities a, b, c are measured as 3.21, 4.253, 7.2346. The sum (a + b + c) with profer significant digits is_____________.
14.6976
14.697
14.69
14.6
9.
The force acting on a body is measured as 4.25 N. Round it off with two significant figure________.
4.3
4.2
both (a) or (b)
4.25
10.
Number of significant digit in 0.030400_________.
6
5
4
3
11.
Number of significant digit in 20.00____________.
1
2
3
4
12.
Number of significant digits in 0.0342__________.
1
2
3
4
13.
Number of significant digits in 2030N__________.
1
2
3
4
14.
Number of significant digits in 2030______________.
1
2
3
4
15.
Number of significant digits in 32005_______________.
1
2
5
2
16.
Number of significant digits in 3256 ____________.
1
2
3
4
17.
A physical quantity is given as \(y=\frac{ab^3}{c^2}\) . If \(\triangle a,\triangle b,\triangle c\) are the absolute errors, the possible fractional error in y is___________.
\(\frac{\triangle y}{y}=\frac{\triangle a\triangle b}{2\triangle c}\)
\(\frac{\triangle y}{y}=\frac{\triangle a}{a}+3\frac{\triangle b}{b}+2\frac{\triangle c}{c}\)
\(\frac{\triangle y}{y}=\frac{\triangle a}{a}+(\frac{\triangle b}{a}^3)+(\frac{\triangle c}{c})^2\)
\(\frac{\triangle y}{y}=\frac{\triangle a}{a}+\frac{\triangle b}{a}+\frac{\triangle c}{c}\)
18.
The fractional error in the nth power of a quantity is_________.
\(\frac{\triangle Z}{Z}=n\frac{\triangle A}{A}\)
\(\frac{Z}{\triangle A}=n\frac{A}{\triangle A}\)
\(\frac{\triangle Z}{Z}=\frac{1}{n}\frac{\triangle A}{A}\)
\(\frac{Z}{\triangle Z}=\frac{1}{n}\frac{A}{\triangle A}\)
19.
The maximum fractional error in the division of two quantities is_________.
Z=A+B
\(\triangle Z=\triangle A-\triangle B\)
\(\frac{\triangle Z}{Z}=\frac{\triangle A}{A}+\frac{\triangle B}{B}\)
\(\frac{\triangle Z}{Z}=\frac{\triangle A\triangle B}{AB}\)
20.
The maximum possible error in the difference of two quantities is___________.
Z=A+B
\(\triangle Z=\triangle A-\triangle B\)
\(\frac{\triangle Z}{Z}=\frac{\triangle A}{A}+\frac{\triangle B}{B}\)
\(\frac{\triangle Z}{Z}=\frac{\triangle A\triangle B}{AB}\)
21.
The maximum possible error in the sum of two quantities is equal to___________.
Z =A + B
\(\triangle Z=\triangle A+\triangle B\)
\(\triangle Z=\triangle A/\triangle B\)
\(\triangle Z=\triangle A-\triangle B\)
22.
A measured value to be close to targeted value, percentage error must be close to__________.
0
10
100oc
\(\propto \)
23.
Relative error can also be called as____________.
fractional error
absolute error
percentage error
systematic error
24.
The ratio of the mean absolute error to the mean value is called as__________.
absolute error
random error
relative error
percentage error
25.
More number of readings will reduce________________
random error
systematic error
both (a) and (b)
neither (a) nor (b)
26.
Percentage errors in the measurement of mass and speed are 3% and 2% respectively. The error in the calculation of kinetic energy is_________________
2%
3%
5%
7%
27.
Which of the following cannot be verified by using dimensional analysis?
\(s=ut+{1\over 2}at\)
y = a sin wt
F = \(mv^2\over r\)
F = ma
28.
The pressure on a square plate is measured by measuring the force on the plate and the length of the sides of the plate by using the formula p =\(F\over l^2\) .If the maximum errors in the measurement of force and length are 4% and 2% respectively, then the maximum error in the measurement of pressure is _________________
1%
2%
8%
10%
29.
Length cannot be measured by _______________
fermi
angstrom
parsec
debye
30.
Heat produced by a current is obtained a relation H = I2RT. If the errors in measuring these quantities current, resistance, time are 1%, 2%, 1% respectively then total error in calculating the energy produced is________________
2%
4%
5%
6%
31.
Dimensions [M L-1T-1] are related to_____________
torque
work
energy
Coefficient of viscosity
32.
If error in measurement of radius of sphere is 1%. What will be the error in measurement of volume?
1%
\(1\over 3\) %
3%
10%
33.
10-18 is called as____________
nano
pico
femto
atto
34.
Which of the following is in increased order?
exa, tera, hecto
tera, exa, hecto
giga, tera, exa
hecto, exa, giga
35.
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
36.
The ratio of energy and temperature is known as_______
Stefen's constant
Boltzmann constant
Plank's constant
Kinetic constant
37.
Unit of impulse_______________
NS2
NS
Nm
Kgms-2
38.
The mean radius of a wire is 2 mm. Which of the following measurements is most accurate?
1.9 mm
2.25 mm
2.3 mm
1.83 mm
39.
Which of the following measurements is most precise?
4.00 mm
4.00 cm
4.00 m
4.00 km
40.
The numbers 3.665 and 3.635 on rounding off to 3 significant figures will give____________
3.66 and 3.63
3.66 and 3.64
3.67 and 3.63
3.67 and 3.64
41.
The number of significant figures in 0.06900 is ________
2
2
4
5
42.
Given that y = A sin \(({2\pi\over \lambda}(ct-x) )\). Where y and x are measured in metres. Which of the following statements is true?
The unit of \(\lambda\) is same as that of x and A
The unit of \(\lambda\) is same as that of x but not of A
The unit of c is same as that of 2\(\pi /\lambda\)
The unit of (ct - x)is same as that 2\(\pi /\lambda\)
43.
The dimensions of Planck constant equals to that of ____________
energy
momentum
angular momentum
power
44.
A wire has a mass 0.3 ± 0.003g, radius 0.5 ± 0.005 mm and length 6 ± 0.06 em. The maximum percentage error in the measurement of its density is _________________
1%
2%
3%
4%
45.
Odd one out ________
strain
refractive index
numbers
stress
46.
Pick out the dimensionless quantity _______________
force
specific gravity
planck's constant
velocity
47.
1 second of arc is equal to_____________
0.00027o
1.745\(\times\)10-2rad
2.91\(\times\)10-4rad
4.85\(\times\)10-6rad
48.
1 second of arc is equal to________
\(\frac { 1^{ o } }{ 3600 } \)
4.85\(\times\)106rad
\(\frac { 1 }{ 4.85 } \times { 10 }^{ -6 }\)rad
2.91÷10-4 rad
49.
1 minute of arc is equal to__________
1.745\(\times\)10-2 rad
2.91\(\times\)10-4 rad
2.91\(\times\)104 rad
4.85\(\times\)10-6 rad
50.
One degree of arc is equal to_______
1.457\(\times\)102rad
1.457\(\times\)10-2rad
1.745\(\times\)102rad
1.745\(\times\)10-2rad
1.
(a)
[KV-2 T2]
2.
(d)
Relative velocity
3.
(c)
\(a\over 4\)
4.
(b)
[FAT2]
5.
(d)
0.11S
6.
(a)
\(\frac{1}{n}\)MSD
7.
(d)
7%
8.
(c)
14.69
9.
(b)
4.2
10.
(b)
5
11.
(d)
4
12.
(c)
3
13.
(d)
4
14.
(d)
4
15.
(c)
5
16.
(d)
4
17.
(b)
\(\frac{\triangle y}{y}=\frac{\triangle a}{a}+3\frac{\triangle b}{b}+2\frac{\triangle c}{c}\)
18.
(a)
\(\frac{\triangle Z}{Z}=n\frac{\triangle A}{A}\)
19.
(c)
\(\frac{\triangle Z}{Z}=\frac{\triangle A}{A}+\frac{\triangle B}{B}\)
20.
(c)
\(\frac{\triangle Z}{Z}=\frac{\triangle A}{A}+\frac{\triangle B}{B}\)
21.
(b)
\(\triangle Z=\triangle A+\triangle B\)
22.
(a)
0
23.
(a)
fractional error
24.
(c)
relative error
25.
(a)
random error
26.
(d)
7%
27.
(b)
y = a sin wt
28.
(c)
8%
29.
(d)
debye
30.
(c)
5%
31.
(d)
Coefficient of viscosity
32.
(c)
3%
33.
(d)
atto
34.
(d)
hecto, exa, giga
35.
(c)
102 to 10-5 m
36.
(b)
Boltzmann constant
37.
(b)
NS
38.
(a)
1.9 mm
39.
(a)
4.00 mm
40.
(b)
3.66 and 3.64
41.
(c)
4
42.
(a)
The unit of \(\lambda\) is same as that of x and A
43.
(c)
angular momentum
44.
(d)
4%
45.
(d)
stress
46.
(b)
specific gravity
47.
(a)
0.00027o
48.
(a)
\(\frac { 1^{ o } }{ 3600 } \)
49.
(b)
2.91\(\times\)10-4 rad
50.
(b)
1.457\(\times\)10-2rad
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
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