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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

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

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

Nalini Dyal

Asked: 3 years agoIn: Physics

The velocity of sound in air (under normal condition) is
1. 344 m/sec
2. 3320 m/sec
3. 30 m/sec
4. 3200 m/sec

Anusha Rashid Badal

Asked: 3 years agoIn: Physics

The diameter and height of a cylinder are measured by a meter scale to be 12.6 ± 0.1 cm and 34.2 ± 0.1 cm, respectively. What will be the value of its volume in appropriate significant figures?
1. 4300 ± 80 cm³
2. 4260 ± 80 cm³
3. 4264.4 ± 81.0 cm³
4. 4264 ± 81 cm³

Gowri Chia

Asked: 3 years agoIn: Physics

Which technique is used in holograms?
1. Diffraction
2. Polarisation
3. Laser
4. Total internal reflection

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

Tushar Javed Kurian

Asked: 3 years agoIn: Physics

(A) प्रकाश वर्ष
(B) अधि वर्ष
(C) चन्द्र माह
(D) इनमें से कोई नहीं

Chinmay Chandra Chana

Asked: 3 years agoIn: Physics

An electron has a mass of 9.1 × 10^-31 kg. It revolves round the nucleus in a circular orbit of radius 0.529 × 10^-10 metre at a speed of 2.2 × 10⁶ m/s. The magnitude of its linear momentum in this motion is
1. 1.1 × 10^-34 kg – m/s
2. 2.0 × 10^-24 kg – m/s
3. 4.0 × 10^-24 kg – m/s
4. 4.0 × 10^-31 kg – m/s

Yadu Mistry

Asked: 3 years agoIn: Physics

Using a nuclear counter, the count rate of emitted particles from a radioactive source is measured. At t = 0, it was 1600 counts per second and t = 8 s, it was 100 counts per second. The count rate observed as counts per second at t = 6s is close to
1. 400
2. 200
3. 150
4. 360

Load More Questions

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

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

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

The velocity of sound in air (under normal condition) is
1. 344 m/sec
2. 3320 m/sec
3. 30 m/sec
4. 3200 m/sec

The diameter and height of a cylinder are measured by a meter scale to be 12.6 ± 0.1 cm and 34.2 ± 0.1 cm, respectively. What will be the value of its volume in appropriate significant figures?
1. 4300 ± 80 cm³
2. 4260 ± 80 cm³
3. 4264.4 ± 81.0 cm³
4. 4264 ± 81 cm³

Which technique is used in holograms?
1. Diffraction
2. Polarisation
3. Laser
4. Total internal reflection

(A) प्रकाश वर्ष
(B) अधि वर्ष
(C) चन्द्र माह
(D) इनमें से कोई नहीं

(A) प्रकाश वर्ष

(B) अधि वर्ष

(C) चन्द्र माह

(D) इनमें से कोई नहीं

Using a nuclear counter, the count rate of emitted particles from a radioactive source is measured. At t = 0, it was 1600 counts per second and t = 8 s, it was 100 counts per second. The count rate observed as counts per second at t = 6s is close to
1. 400
2. 200
3. 150
4. 360

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