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Habib Prasad Mahadeo

Asked: 3 years agoIn: Physics

An ideal gas occupies a volume of 2 m³ at a pressure of 3 × 10⁶ Pa. The energy of the gas is
1. 6 × 10⁴ J
2. 10⁸ J
3. 9 × 10⁶ J
4. 3 × 10² J

Gajendra Swamy

Asked: 3 years agoIn: Physics

Consider the nuclear fission
Ne²⁰ → 2He⁴+ C¹²
Given that the binding energy/nucleon of Ne²⁰, He⁴ and C¹² are respectively, 8.03 MeV, 7.07 MeV and 7.86 MeV, identify the correct statement.
1. Energy of 3.6 MeV will be released
2. Energy of 12.4 MeV will be supplied
3. 8.3 MeV energy will be released
4. Energy of 9.72 MeV has to be supplied

Megha Kara

Asked: 3 years agoIn: Physics

Soft X-rays have wavelength and hard X-rays have wavelength.
1. high, low
2. high, high
3. low, low
4. low, high

Amrita Usman Agate

Asked: 3 years agoIn: Physics

During the phenomenon of aphelion, the approximate distance between the earth and the sun is:
1. 137 million km
2. 147 million km
3. 142 million km
4. 152 million km

Habib Iqbal Wason

Asked: 3 years agoIn: Physics

Which of the following was the first working laser?
1. Disk laser
2. Ruby laser
3. Carbon dioxide laser
4. Argon – ion laser

Baldev Singhal

Asked: 3 years agoIn: Physics

A parallel-plate capacitor has plates of area 10 cm² separated by a distance of 1 mm. It is filled with the dielectric mica and connected to a battery of emf 6 volts. Find the leakage current through the capacitor. Resistivity of mica = 1 × 10¹³ Ω-m
1. 10 × 10^-13 A
2. 1 × 10^-13 A
3. 6 × 10^-13 A
4. 3 × 10^-13 A

Ghalib Rana

Asked: 3 years agoIn: Physics

Laser
1. has wavelength in ultraviolet range
2. does not show wave behaviour
3. has wavelength in infrared region
4. is highly coherent

Usman Lal Nazareth

Asked: 3 years agoIn: Physics

A laser produces intense, monochromatic, coherent light by which of the following process?
1. stimulated absorption
2. stimulated emission
3. bremsstrahlung
4. spontaneous emission

Vivek Dev Mann

Asked: 3 years agoIn: Physics

The least count of the main scale of a screw gauge is 1 mm. The minimum number of divisions on its circular scale required to measure 5 μm diameter of a wire is
1. 50
2. 200
3. 500
4. 100

Rosey Seshadri

Asked: 3 years agoIn: Physics

Which of the following rules is used to determine the direction of induced current in a generator?
1. Fleming’s left hand rule
2. Fleming’s right hand rule
3. Maxwell’s cork screw rule
4. Ampere’s swimming rule
5. None of the above

Load More Questions

An ideal gas occupies a volume of 2 m³ at a pressure of 3 × 10⁶ Pa. The energy of the gas is
1. 6 × 10⁴ J
2. 10⁸ J
3. 9 × 10⁶ J
4. 3 × 10² J

Soft X-rays have wavelength and hard X-rays have wavelength.
1. high, low
2. high, high
3. low, low
4. low, high

During the phenomenon of aphelion, the approximate distance between the earth and the sun is:
1. 137 million km
2. 147 million km
3. 142 million km
4. 152 million km

Which of the following was the first working laser?
1. Disk laser
2. Ruby laser
3. Carbon dioxide laser
4. Argon – ion laser

Laser
1. has wavelength in ultraviolet range
2. does not show wave behaviour
3. has wavelength in infrared region
4. is highly coherent

A laser produces intense, monochromatic, coherent light by which of the following process?
1. stimulated absorption
2. stimulated emission
3. bremsstrahlung
4. spontaneous emission

The least count of the main scale of a screw gauge is 1 mm. The minimum number of divisions on its circular scale required to measure 5 μm diameter of a wire is
1. 50
2. 200
3. 500
4. 100

Which of the following rules is used to determine the direction of induced current in a generator?
1. Fleming’s left hand rule
2. Fleming’s right hand rule
3. Maxwell’s cork screw rule
4. Ampere’s swimming rule
5. None of the above

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