Physics
General
Easy
Question
What is the resistance of P-N junction diode in forward biasing
- Zero
- high
- infinity
- a few ohms
The correct answer is: a few ohms
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In a P-N junction, there is no appreciable current if.....
In a P-N junction, there is no appreciable current if.....
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The figure given below depicts a diagrammatic sectional view of the female reproductive system of humans. Which one set of three parts out of I-VI have been correctly identified ?
The figure given below depicts a diagrammatic sectional view of the female reproductive system of humans. Which one set of three parts out of I-VI have been correctly identified ?
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-A P-N junction is said to be forward based when
-A P-N junction is said to be forward based when
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When P-N junction diode is forward based, then.,
When P-N junction diode is forward based, then.,
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The velocity of light in glass whose refractive index with respect to air is 1.5 is 
. In a certain li liquid, the velocity of light is found to be 
What is the refractive index of the liquid with respect to air?
The velocity of light in glass whose refractive index with respect to air is 1.5 is . In a certain li liquid, the velocity of light is found to be What is the refractive index of the liquid with respect to air?
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The accompanying diagram shows three stages in the cardiac cycle
Which of the following sequence is correct?
The accompanying diagram shows three stages in the cardiac cycle
Which of the following sequence is correct?
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A beam of light is converging towards a point I on a screen. A plane parallel plate of glass whose thickness is in the direction of beam =t, refractive index=n is introduced in the path of the beam. The convergence point is shifted by .........
A beam of light is converging towards a point I on a screen. A plane parallel plate of glass whose thickness is in the direction of beam =t, refractive index=n is introduced in the path of the beam. The convergence point is shifted by .........
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Following illustration depicts the mechanism of breathing. In which of the following option all the parts A, B, C and D are correctly labelled?
Following illustration depicts the mechanism of breathing. In which of the following option all the parts A, B, C and D are correctly labelled?
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The given figure illustrates the changes in lung volume during the process of breathing.
The change from II to III indicates the
The given figure illustrates the changes in lung volume during the process of breathing.
The change from II to III indicates the
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Light travels through a glass plate of thickness t and having refractive index n. If C be the velocty of Light in vacuum. What is the time taken by the light of travel this thickness of glass?
Light travels through a glass plate of thickness t and having refractive index n. If C be the velocty of Light in vacuum. What is the time taken by the light of travel this thickness of glass?
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Go through the following diagrammation view of human respiratory system. Identify A, B, C and D –
Go through the following diagrammation view of human respiratory system. Identify A, B, C and D –
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Monochromatic light of wave length traveling in a medium of reflective index 
euters a denser medium of refractive index 
. What is the wave length in the second medium?
Monochromatic light of wave length traveling in a medium of reflective index euters a denser medium of refractive index . What is the wave length in the second medium?
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Respiration involving following steps -
A. Diffusion of gases 
and 
across alveolar membrane
B. Transport of gases by blood
C. Utilization of by cell for catabolic reactions and resultant release of
D. Pulmonary ventilation by which atmospheric air is drawn in and rich alveolar air is released out
E. Diffusion of and CO? between blood and tissues.
The correct sequence of steps is -
Respiration involving following steps -
A. Diffusion of gases and across alveolar membrane
B. Transport of gases by blood
C. Utilization of by cell for catabolic reactions and resultant release of
D. Pulmonary ventilation by which atmospheric air is drawn in and rich alveolar air is released out
E. Diffusion of and CO? between blood and tissues.
The correct sequence of steps is -
biologyGeneral
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A bird in air looks at a fish vertically below it and inside water, is 
the height of the bird above the surface of water and , the depth of the fish below the surface of water. If refractive index of water with respect to air be n , then what is the distance of the fish observed by the bird
A bird in air looks at a fish vertically below it and inside water, is the height of the bird above the surface of water and , the depth of the fish below the surface of water. If refractive index of water with respect to air be n , then what is the distance of the fish observed by the bird
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A tank contains two different liquids which do not mix with each other as shown in figure. The lower and upper liquids are at depths and 
respectively. An object o is located at the bottom. When seen vertically from above, locate the position of image of o.
A tank contains two different liquids which do not mix with each other as shown in figure. The lower and upper liquids are at depths and respectively. An object o is located at the bottom. When seen vertically from above, locate the position of image of o.
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