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The image of an object placed on the principal axis of a concave mirror of focal length 12 cm is formed at a point which is 10cm more distance form the mirror than the object. The magnification of the image is
15
Nov
The image of an object placed on the principal axis of a concave mirror of focal length 12 cm is formed at a point which is 10cm more distance form the mirror than the object. The magnification of the image is A convex mirror of radius of curvature 1.6 m has an object placed at [...]
A piece of wire bent into an L shape with upright and horizontal portion of equal lengths is placed with the horizontal portion along the axis of the concave mirror towards pole of mirror whose radius of curvature is 10 cm. If the bend is 20 cm from the pole of the mirror, then the ratio of the lengths of the images of the upright and horizontal portion of the wire is
15
Nov
A piece of wire bent into an L shape with upright and horizontal portion of equal lengths is placed with the horizontal portion along the axis of the concave mirror towards pole of mirror whose radius of curvature is 10 cm. If the bend is 20 cm from the pole of the mirror, then the [...]
A convex mirror and a concave mirror of radius 10cm each are placed 15cm apart facing each other. An object is placed midway between them. If the reflection first takes place in the concave mirror and then in convex mirror, the position of the final image is
15
Nov
A convex mirror and a concave mirror of radius 10cm each are placed 15cm apart facing each other. An object is placed midway between them. If the reflection first takes place in the concave mirror and then in convex mirror, the position of the final image is A convex mirror of radius of curvature 1.6 [...]
In the circuit shown in figure , the internal resistance of the cell is negligible . For the value of R = 40/x ohm , no current flows through the galvanometer . what is x ?
15
Nov
In the circuit shown in figure , the internal resistance of the cell is negligible . For the value of R = 40/x ohm , no current flows through the galvanometer . what is x ? In the circuit shown in Figure no current flows through the galvanometer . what is x ? the internal [...]
Which of the following hydroxide is insoluble in water (a) Be(OH)2 (b) Mg(OH)2 (c) Ca(OH)2 (d) Ba(OH)2
15
Nov
Which of the following hydroxide is insoluble in water (a) Be(OH)2 (b) Mg(OH)2 (c) Ca(OH)2 (d) Ba(OH)2 Which of the following hydroxide is insoluble in water (a) Be(OH)2 (b) Mg(OH)2 (c) Ca(OH)2 (d) Ba(OH)2 November 15, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
In context with beryllium, which one of the following statements is incorrect (a) Its hydride is electron-deficient and polymeric
15
Nov
In context with beryllium, which one of the following statements is incorrect (a) Its hydride is electron-deficient and polymeric In context with beryllium which one of the following statements is incorrect (a) Its hydride is electron-deficient and polymeric November 15, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The diagram shows a modified meter bridge, which is used for measuring two unknown resistances at the same time. When only the first galvanometer is used, for obtaining the balance point, it is found at point C. Now the first galvanometer is used, which gives balance point at D. Using the details given in the diagram, find out the value of R1 and R2 .
15
Nov
The diagram shows a modified meter bridge, which is used for measuring two unknown resistances at the same time. When only the first galvanometer is used, for obtaining the balance point, it is found at point C. Now the first galvanometer is used, which gives balance point at D. Using the details given in the [...]
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find out the value of R1 and R2 . ,
for obtaining the balance point ,
it is found at point C. Now the first galvanometer is used ,
The diagram shows a modified meter bridge ,
which gives balance point at D. Using the details given in the diagram ,
which is used for measuring two unknown resistances at the same time. When only the first galvanometer is used ,
The suspension of slaked lime in water is known as (a) Aqueous solution of slaked lime (b) Limewater (c) Quicklime (d) Milk of lime
15
Nov
The suspension of slaked lime in water is known as (a) Aqueous solution of slaked lime (b) Limewater (c) Quicklime (d) Milk of lime The suspension of slaked lime in water is known as (a) Aqueous solution of slaked lime (b) Limewater (c) Quicklime (d) Milk of lime November 15, 2020 Category: Uncategorised (JEE Advanced [...]
Solubility of the alkaline earth’s metal sulphates in water decreases in the sequence (a) Ca > Sr > Ba > Mg (b) Sr > Ca > Mg > Ba
15
Nov
Solubility of the alkaline earth’s metal sulphates in water decreases in the sequence (a) Ca > Sr > Ba > Mg (b) Sr > Ca > Mg > Ba Solubility of the alkaline earth's metal sulphates in water decreases in the sequence (a) Ca > Sr > Ba > Mg (b) Sr > Ca > [...]
Which of the following compounds has the lowest melting point (a) CaF2 (b) CaCl2 (c) CaBr2 (d) CaI2
15
Nov
Which of the following compounds has the lowest melting point (a) CaF2 (b) CaCl2 (c) CaBr2 (d) CaI2 Which of the following compounds has the lowest melting point (a) CaF2 (b) CaCl2 (c) CaBr2 (d) CaI2 November 15, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,