NEET Test Series from KOTA - 10 Papers In MS WORD
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TEST SERIES (PHYSICS FST)
266644
Magnetic field can be produced by.
1 moving charge
2 steady electric current
3 By changing electric field
4 All of the above
Explanation:
d
**NCERT-PYQ**
TEST SERIES (PHYSICS FST)
266645
The image of a small electric bulb fixed on the wall of a room is to be obtained on the opposite wall 3 m away by means of a large convex lens. What is the maximum possible focal length of the lens required for the purpose?
1 50 cm
2 75 cm
3 100 cm
4 25 cm
Explanation:
b FromDisplacement method \(f_{\max }=\frac{3}{4} \mathrm{~m}=75 \mathrm{~cm}\).
**NCERT-347**
TEST SERIES (PHYSICS FST)
266646
A right angled prism is shown in figure under action. The refractive index of the prism material may be:
266647
The work function of cesium metal is 2.14 eV when light of frequency \(6 \times 10^{14} \mathrm{~Hz}\) is incident on metal surface. photo emission of electron occurs what is maximum kinetic energy of photo electron in Joule ?
266645
The image of a small electric bulb fixed on the wall of a room is to be obtained on the opposite wall 3 m away by means of a large convex lens. What is the maximum possible focal length of the lens required for the purpose?
1 50 cm
2 75 cm
3 100 cm
4 25 cm
Explanation:
b FromDisplacement method \(f_{\max }=\frac{3}{4} \mathrm{~m}=75 \mathrm{~cm}\).
**NCERT-347**
TEST SERIES (PHYSICS FST)
266646
A right angled prism is shown in figure under action. The refractive index of the prism material may be:
266647
The work function of cesium metal is 2.14 eV when light of frequency \(6 \times 10^{14} \mathrm{~Hz}\) is incident on metal surface. photo emission of electron occurs what is maximum kinetic energy of photo electron in Joule ?
266645
The image of a small electric bulb fixed on the wall of a room is to be obtained on the opposite wall 3 m away by means of a large convex lens. What is the maximum possible focal length of the lens required for the purpose?
1 50 cm
2 75 cm
3 100 cm
4 25 cm
Explanation:
b FromDisplacement method \(f_{\max }=\frac{3}{4} \mathrm{~m}=75 \mathrm{~cm}\).
**NCERT-347**
TEST SERIES (PHYSICS FST)
266646
A right angled prism is shown in figure under action. The refractive index of the prism material may be:
266647
The work function of cesium metal is 2.14 eV when light of frequency \(6 \times 10^{14} \mathrm{~Hz}\) is incident on metal surface. photo emission of electron occurs what is maximum kinetic energy of photo electron in Joule ?
266645
The image of a small electric bulb fixed on the wall of a room is to be obtained on the opposite wall 3 m away by means of a large convex lens. What is the maximum possible focal length of the lens required for the purpose?
1 50 cm
2 75 cm
3 100 cm
4 25 cm
Explanation:
b FromDisplacement method \(f_{\max }=\frac{3}{4} \mathrm{~m}=75 \mathrm{~cm}\).
**NCERT-347**
TEST SERIES (PHYSICS FST)
266646
A right angled prism is shown in figure under action. The refractive index of the prism material may be:
266647
The work function of cesium metal is 2.14 eV when light of frequency \(6 \times 10^{14} \mathrm{~Hz}\) is incident on metal surface. photo emission of electron occurs what is maximum kinetic energy of photo electron in Joule ?