266280
Statement I: A closed organ pipe (closed at one end) is excited to support the third overtone. It is found that air in the pipe has three nodes and three antinodes: Statement II: The velocity of sound in any gas depens upon amplitude and frequency of sound.
1 Statement I is correct and Statement II is incorrect
2 Statement I is incorrect and Statemnet II is correct
3 Both Statement I and II is correct
4 Both Statement I and II is incorrect
Explanation:
d
**PYQ Modified**
TEST SERIES (PHYSICS FST)
266281
The storage battery of a car has an emf of 16 V . If the internal resistance of the battery is \(0.4 \Omega\). Maximum current that can be drawn from battery (in ampere)
1 40
2 6.4
3 0.0025
4 zero
Explanation:
a \[ I=\frac{V}{R}=\frac{16}{0.4}=\frac{160}{4}=40 \mathrm{~A} \]
**NCERT-XII-I-94**
TEST SERIES (PHYSICS FST)
266267
A body is prcjected at an angle \(30^{\circ}\) to the horizontal with speed \(60 \mathrm{~m} / \mathrm{s}\). What is the angle with horizontal after 3 sec (Take \(\mathrm{g}=\mathbf{1 0} \mathrm{ms}^2\) ):
1 60 F
2 30
3 \(0^{\circ}\)
4 45
Explanation:
c \(\begin{aligned} & V_y=u_y-g t \\ & V_y=60 \sin 30-10 \times 3=0 \end{aligned} \) When ball is at highest point \(\Rightarrow \theta=00^{\circ}\)
**NCERT-XI-I-38
TEST SERIES (PHYSICS FST)
266258
The radius of a ball is \((6 \pm 0.9) \mathrm{cm}\). The percentage error in the volume of the ball is :
266259
A new unit of length is chosen such that the speed of light in vacuum is unity. What is the distance between the Sun and the Earth in terms of the new unit if light takes 8 min and 20 s to cover this distance.
1 \(3 \times 10^8\)
2 \(3 \times 10^3 \times 500\)
3 500
4 None of these
Explanation:
c The speed of light in vacuum = 1 unit = 1 length unit/sec Time taken by light to cover the distance from the sun to the earth \(=8 \mathrm{~min} 20 \mathrm{sec}=500 \mathrm{sec}\). Distance \(=1 \frac{\text { Lengthunit }}{\text { sec }} \times 500 \mathrm{sec}\) \(=500\) length units
266280
Statement I: A closed organ pipe (closed at one end) is excited to support the third overtone. It is found that air in the pipe has three nodes and three antinodes: Statement II: The velocity of sound in any gas depens upon amplitude and frequency of sound.
1 Statement I is correct and Statement II is incorrect
2 Statement I is incorrect and Statemnet II is correct
3 Both Statement I and II is correct
4 Both Statement I and II is incorrect
Explanation:
d
**PYQ Modified**
TEST SERIES (PHYSICS FST)
266281
The storage battery of a car has an emf of 16 V . If the internal resistance of the battery is \(0.4 \Omega\). Maximum current that can be drawn from battery (in ampere)
1 40
2 6.4
3 0.0025
4 zero
Explanation:
a \[ I=\frac{V}{R}=\frac{16}{0.4}=\frac{160}{4}=40 \mathrm{~A} \]
**NCERT-XII-I-94**
TEST SERIES (PHYSICS FST)
266267
A body is prcjected at an angle \(30^{\circ}\) to the horizontal with speed \(60 \mathrm{~m} / \mathrm{s}\). What is the angle with horizontal after 3 sec (Take \(\mathrm{g}=\mathbf{1 0} \mathrm{ms}^2\) ):
1 60 F
2 30
3 \(0^{\circ}\)
4 45
Explanation:
c \(\begin{aligned} & V_y=u_y-g t \\ & V_y=60 \sin 30-10 \times 3=0 \end{aligned} \) When ball is at highest point \(\Rightarrow \theta=00^{\circ}\)
**NCERT-XI-I-38
TEST SERIES (PHYSICS FST)
266258
The radius of a ball is \((6 \pm 0.9) \mathrm{cm}\). The percentage error in the volume of the ball is :
266259
A new unit of length is chosen such that the speed of light in vacuum is unity. What is the distance between the Sun and the Earth in terms of the new unit if light takes 8 min and 20 s to cover this distance.
1 \(3 \times 10^8\)
2 \(3 \times 10^3 \times 500\)
3 500
4 None of these
Explanation:
c The speed of light in vacuum = 1 unit = 1 length unit/sec Time taken by light to cover the distance from the sun to the earth \(=8 \mathrm{~min} 20 \mathrm{sec}=500 \mathrm{sec}\). Distance \(=1 \frac{\text { Lengthunit }}{\text { sec }} \times 500 \mathrm{sec}\) \(=500\) length units
266280
Statement I: A closed organ pipe (closed at one end) is excited to support the third overtone. It is found that air in the pipe has three nodes and three antinodes: Statement II: The velocity of sound in any gas depens upon amplitude and frequency of sound.
1 Statement I is correct and Statement II is incorrect
2 Statement I is incorrect and Statemnet II is correct
3 Both Statement I and II is correct
4 Both Statement I and II is incorrect
Explanation:
d
**PYQ Modified**
TEST SERIES (PHYSICS FST)
266281
The storage battery of a car has an emf of 16 V . If the internal resistance of the battery is \(0.4 \Omega\). Maximum current that can be drawn from battery (in ampere)
1 40
2 6.4
3 0.0025
4 zero
Explanation:
a \[ I=\frac{V}{R}=\frac{16}{0.4}=\frac{160}{4}=40 \mathrm{~A} \]
**NCERT-XII-I-94**
TEST SERIES (PHYSICS FST)
266267
A body is prcjected at an angle \(30^{\circ}\) to the horizontal with speed \(60 \mathrm{~m} / \mathrm{s}\). What is the angle with horizontal after 3 sec (Take \(\mathrm{g}=\mathbf{1 0} \mathrm{ms}^2\) ):
1 60 F
2 30
3 \(0^{\circ}\)
4 45
Explanation:
c \(\begin{aligned} & V_y=u_y-g t \\ & V_y=60 \sin 30-10 \times 3=0 \end{aligned} \) When ball is at highest point \(\Rightarrow \theta=00^{\circ}\)
**NCERT-XI-I-38
TEST SERIES (PHYSICS FST)
266258
The radius of a ball is \((6 \pm 0.9) \mathrm{cm}\). The percentage error in the volume of the ball is :
266259
A new unit of length is chosen such that the speed of light in vacuum is unity. What is the distance between the Sun and the Earth in terms of the new unit if light takes 8 min and 20 s to cover this distance.
1 \(3 \times 10^8\)
2 \(3 \times 10^3 \times 500\)
3 500
4 None of these
Explanation:
c The speed of light in vacuum = 1 unit = 1 length unit/sec Time taken by light to cover the distance from the sun to the earth \(=8 \mathrm{~min} 20 \mathrm{sec}=500 \mathrm{sec}\). Distance \(=1 \frac{\text { Lengthunit }}{\text { sec }} \times 500 \mathrm{sec}\) \(=500\) length units
266280
Statement I: A closed organ pipe (closed at one end) is excited to support the third overtone. It is found that air in the pipe has three nodes and three antinodes: Statement II: The velocity of sound in any gas depens upon amplitude and frequency of sound.
1 Statement I is correct and Statement II is incorrect
2 Statement I is incorrect and Statemnet II is correct
3 Both Statement I and II is correct
4 Both Statement I and II is incorrect
Explanation:
d
**PYQ Modified**
TEST SERIES (PHYSICS FST)
266281
The storage battery of a car has an emf of 16 V . If the internal resistance of the battery is \(0.4 \Omega\). Maximum current that can be drawn from battery (in ampere)
1 40
2 6.4
3 0.0025
4 zero
Explanation:
a \[ I=\frac{V}{R}=\frac{16}{0.4}=\frac{160}{4}=40 \mathrm{~A} \]
**NCERT-XII-I-94**
TEST SERIES (PHYSICS FST)
266267
A body is prcjected at an angle \(30^{\circ}\) to the horizontal with speed \(60 \mathrm{~m} / \mathrm{s}\). What is the angle with horizontal after 3 sec (Take \(\mathrm{g}=\mathbf{1 0} \mathrm{ms}^2\) ):
1 60 F
2 30
3 \(0^{\circ}\)
4 45
Explanation:
c \(\begin{aligned} & V_y=u_y-g t \\ & V_y=60 \sin 30-10 \times 3=0 \end{aligned} \) When ball is at highest point \(\Rightarrow \theta=00^{\circ}\)
**NCERT-XI-I-38
TEST SERIES (PHYSICS FST)
266258
The radius of a ball is \((6 \pm 0.9) \mathrm{cm}\). The percentage error in the volume of the ball is :
266259
A new unit of length is chosen such that the speed of light in vacuum is unity. What is the distance between the Sun and the Earth in terms of the new unit if light takes 8 min and 20 s to cover this distance.
1 \(3 \times 10^8\)
2 \(3 \times 10^3 \times 500\)
3 500
4 None of these
Explanation:
c The speed of light in vacuum = 1 unit = 1 length unit/sec Time taken by light to cover the distance from the sun to the earth \(=8 \mathrm{~min} 20 \mathrm{sec}=500 \mathrm{sec}\). Distance \(=1 \frac{\text { Lengthunit }}{\text { sec }} \times 500 \mathrm{sec}\) \(=500\) length units
266280
Statement I: A closed organ pipe (closed at one end) is excited to support the third overtone. It is found that air in the pipe has three nodes and three antinodes: Statement II: The velocity of sound in any gas depens upon amplitude and frequency of sound.
1 Statement I is correct and Statement II is incorrect
2 Statement I is incorrect and Statemnet II is correct
3 Both Statement I and II is correct
4 Both Statement I and II is incorrect
Explanation:
d
**PYQ Modified**
TEST SERIES (PHYSICS FST)
266281
The storage battery of a car has an emf of 16 V . If the internal resistance of the battery is \(0.4 \Omega\). Maximum current that can be drawn from battery (in ampere)
1 40
2 6.4
3 0.0025
4 zero
Explanation:
a \[ I=\frac{V}{R}=\frac{16}{0.4}=\frac{160}{4}=40 \mathrm{~A} \]
**NCERT-XII-I-94**
TEST SERIES (PHYSICS FST)
266267
A body is prcjected at an angle \(30^{\circ}\) to the horizontal with speed \(60 \mathrm{~m} / \mathrm{s}\). What is the angle with horizontal after 3 sec (Take \(\mathrm{g}=\mathbf{1 0} \mathrm{ms}^2\) ):
1 60 F
2 30
3 \(0^{\circ}\)
4 45
Explanation:
c \(\begin{aligned} & V_y=u_y-g t \\ & V_y=60 \sin 30-10 \times 3=0 \end{aligned} \) When ball is at highest point \(\Rightarrow \theta=00^{\circ}\)
**NCERT-XI-I-38
TEST SERIES (PHYSICS FST)
266258
The radius of a ball is \((6 \pm 0.9) \mathrm{cm}\). The percentage error in the volume of the ball is :
266259
A new unit of length is chosen such that the speed of light in vacuum is unity. What is the distance between the Sun and the Earth in terms of the new unit if light takes 8 min and 20 s to cover this distance.
1 \(3 \times 10^8\)
2 \(3 \times 10^3 \times 500\)
3 500
4 None of these
Explanation:
c The speed of light in vacuum = 1 unit = 1 length unit/sec Time taken by light to cover the distance from the sun to the earth \(=8 \mathrm{~min} 20 \mathrm{sec}=500 \mathrm{sec}\). Distance \(=1 \frac{\text { Lengthunit }}{\text { sec }} \times 500 \mathrm{sec}\) \(=500\) length units
