FST 3
TEST SERIES (PHYSICS FST)

266222 A hammer of mass 1 kg moving with a speed of 6 \(\mathrm{m} / \mathrm{s}\) strikes a wall and comes to rest in 0.1 s. Calculate, impulse of the force on hammer.

1 \(3 \mathrm{~N}-\mathrm{S}\)
2 \(-6 \mathrm{~N}-\mathrm{S}\)
3 \(-3 \mathrm{~N}-\mathrm{S}\)
4 \(4 \mathrm{~N}-\mathrm{S}\)
TEST SERIES (PHYSICS FST)

266223 Assertion: Light emitting diode (LED) emits spontaneous radiation Reas on: LED are reverse biased p-n junctions

1 Both assertion and reason are true and the reason is the correct explanation of the assertion
2 Both assetion and reason are true but reason is not the correct explanation of the assertion
3 Assertion is true but reason is false
4 Assertion and reason both are false
TEST SERIES (PHYSICS FST)

266224 Statement I: In a reverse biased p-n junction diode, the current measured in ( \(\mu^{\mathrm{A}}\) ), Which is due to minority charge carriers. Statement II: In a forward biased p-n- Junction diode, the current measured in (mA), which is due to minority charge carriers.

1 Statement I is correct and II is incorrent
2 Both statements are wrong
3 both statements are correct
4 Statement I is incorrect and II is correct.
TEST SERIES (PHYSICS FST)

266225 Magnetic field due to 0.2 A current flowing through circular coil of radius 0.1 m having 2000 turns at the centre of the coil:

1 \(6.28 \times 10^{-4} \mathrm{~T}\)
2 \(1.25 \times 10^{-3} \mathrm{~T}\)
3 \(12.5 \times 10^{-3} \mathrm{~T}\)
4 \(2.5 \times 10^{-3} \mathrm{~T}\)
TEST SERIES (PHYSICS FST)

266222 A hammer of mass 1 kg moving with a speed of 6 \(\mathrm{m} / \mathrm{s}\) strikes a wall and comes to rest in 0.1 s. Calculate, impulse of the force on hammer.

1 \(3 \mathrm{~N}-\mathrm{S}\)
2 \(-6 \mathrm{~N}-\mathrm{S}\)
3 \(-3 \mathrm{~N}-\mathrm{S}\)
4 \(4 \mathrm{~N}-\mathrm{S}\)
TEST SERIES (PHYSICS FST)

266223 Assertion: Light emitting diode (LED) emits spontaneous radiation Reas on: LED are reverse biased p-n junctions

1 Both assertion and reason are true and the reason is the correct explanation of the assertion
2 Both assetion and reason are true but reason is not the correct explanation of the assertion
3 Assertion is true but reason is false
4 Assertion and reason both are false
TEST SERIES (PHYSICS FST)

266224 Statement I: In a reverse biased p-n junction diode, the current measured in ( \(\mu^{\mathrm{A}}\) ), Which is due to minority charge carriers. Statement II: In a forward biased p-n- Junction diode, the current measured in (mA), which is due to minority charge carriers.

1 Statement I is correct and II is incorrent
2 Both statements are wrong
3 both statements are correct
4 Statement I is incorrect and II is correct.
TEST SERIES (PHYSICS FST)

266225 Magnetic field due to 0.2 A current flowing through circular coil of radius 0.1 m having 2000 turns at the centre of the coil:

1 \(6.28 \times 10^{-4} \mathrm{~T}\)
2 \(1.25 \times 10^{-3} \mathrm{~T}\)
3 \(12.5 \times 10^{-3} \mathrm{~T}\)
4 \(2.5 \times 10^{-3} \mathrm{~T}\)
TEST SERIES (PHYSICS FST)

266222 A hammer of mass 1 kg moving with a speed of 6 \(\mathrm{m} / \mathrm{s}\) strikes a wall and comes to rest in 0.1 s. Calculate, impulse of the force on hammer.

1 \(3 \mathrm{~N}-\mathrm{S}\)
2 \(-6 \mathrm{~N}-\mathrm{S}\)
3 \(-3 \mathrm{~N}-\mathrm{S}\)
4 \(4 \mathrm{~N}-\mathrm{S}\)
TEST SERIES (PHYSICS FST)

266223 Assertion: Light emitting diode (LED) emits spontaneous radiation Reas on: LED are reverse biased p-n junctions

1 Both assertion and reason are true and the reason is the correct explanation of the assertion
2 Both assetion and reason are true but reason is not the correct explanation of the assertion
3 Assertion is true but reason is false
4 Assertion and reason both are false
TEST SERIES (PHYSICS FST)

266224 Statement I: In a reverse biased p-n junction diode, the current measured in ( \(\mu^{\mathrm{A}}\) ), Which is due to minority charge carriers. Statement II: In a forward biased p-n- Junction diode, the current measured in (mA), which is due to minority charge carriers.

1 Statement I is correct and II is incorrent
2 Both statements are wrong
3 both statements are correct
4 Statement I is incorrect and II is correct.
TEST SERIES (PHYSICS FST)

266225 Magnetic field due to 0.2 A current flowing through circular coil of radius 0.1 m having 2000 turns at the centre of the coil:

1 \(6.28 \times 10^{-4} \mathrm{~T}\)
2 \(1.25 \times 10^{-3} \mathrm{~T}\)
3 \(12.5 \times 10^{-3} \mathrm{~T}\)
4 \(2.5 \times 10^{-3} \mathrm{~T}\)
TEST SERIES (PHYSICS FST)

266222 A hammer of mass 1 kg moving with a speed of 6 \(\mathrm{m} / \mathrm{s}\) strikes a wall and comes to rest in 0.1 s. Calculate, impulse of the force on hammer.

1 \(3 \mathrm{~N}-\mathrm{S}\)
2 \(-6 \mathrm{~N}-\mathrm{S}\)
3 \(-3 \mathrm{~N}-\mathrm{S}\)
4 \(4 \mathrm{~N}-\mathrm{S}\)
TEST SERIES (PHYSICS FST)

266223 Assertion: Light emitting diode (LED) emits spontaneous radiation Reas on: LED are reverse biased p-n junctions

1 Both assertion and reason are true and the reason is the correct explanation of the assertion
2 Both assetion and reason are true but reason is not the correct explanation of the assertion
3 Assertion is true but reason is false
4 Assertion and reason both are false
TEST SERIES (PHYSICS FST)

266224 Statement I: In a reverse biased p-n junction diode, the current measured in ( \(\mu^{\mathrm{A}}\) ), Which is due to minority charge carriers. Statement II: In a forward biased p-n- Junction diode, the current measured in (mA), which is due to minority charge carriers.

1 Statement I is correct and II is incorrent
2 Both statements are wrong
3 both statements are correct
4 Statement I is incorrect and II is correct.
TEST SERIES (PHYSICS FST)

266225 Magnetic field due to 0.2 A current flowing through circular coil of radius 0.1 m having 2000 turns at the centre of the coil:

1 \(6.28 \times 10^{-4} \mathrm{~T}\)
2 \(1.25 \times 10^{-3} \mathrm{~T}\)
3 \(12.5 \times 10^{-3} \mathrm{~T}\)
4 \(2.5 \times 10^{-3} \mathrm{~T}\)