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If a parallelogram is formed with two sides represented by vectors a and b, then a + b represents the a. Major diagonal when the angle between vectors is acute b. Minor diagonal
17
Sep
If a parallelogram is formed with two sides represented by vectors a and b, then a + b represents the a. Major diagonal when the angle between vectors is acute b. Minor diagonal If a parallelogram is formed with two sides represented by vectors a and b then a + b represents the a. Major [...]
A body floats in water with 40% of its volume outside water. When the same body floats in an oil. 60% of its volume remains outside oil. The relative density of oil is:
17
Sep
A body floats in water with 40% of its volume outside water. When the same body floats in an oil. 60% of its volume remains outside oil. The relative density of oil is: A body floats in water with 40% of its volume outside water. When the same body floats in an oil. 60% of [...]
The vector sum of two forces is perpendicular to their vector difference. The forces are a. Equal to each other b. Equal to each other in magnitude
17
Sep
The vector sum of two forces is perpendicular to their vector difference. The forces are a. Equal to each other b. Equal to each other in magnitude The vector sum of two forces is perpendicular to their vector difference. The forces are a. Equal to each other b. Equal to each other in magnitude September [...]
In an equilateral triangle, ABC, AL, BM, and CN are medians. Forces along BC and BA represented by them will have a resultant represented by
17
Sep
In an equilateral triangle, ABC, AL, BM, and CN are medians. Forces along BC and BA represented by them will have a resultant represented by ABC AL and CN are medians. Forces along BC and BA represented by them will have a resultant represented by BM In an equilateral triangle September 17, 2020 Category: Uncategorised [...]
An object weights m1 in a liquid of density d1 and that in liquid of density d2 is m2. The density d of the object is
17
Sep
An object weights m1 in a liquid of density d1 and that in liquid of density d2 is m2. The density d of the object is An object weights m1 in a liquid of density d1 and that in liquid of density d2 is m2. The density d of the object is September 17, 2020 [...]
A stone of relative density k is released from rest on the surface of a lake. If viscous effects are ignored, the stone sinks in water with an acceleration of
17
Sep
A stone of relative density k is released from rest on the surface of a lake. If viscous effects are ignored, the stone sinks in water with an acceleration of A stone of relative density k is released from rest on the surface of a lake. If viscous effects are ignored the stone sinks in [...]
Mass of solid floating in liquid is m1 and mass of liquid is m2. Base area is A. Then pressure at bottom is p0+(m1+m2)g/A Reason : Upward force on liquid from base of vessel is pA, where p is pressure at bottom.
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Sep
Mass of solid floating in liquid is m1 and mass of liquid is m2. Base area is A. Then pressure at bottom is p0+(m1+m2)g/A Reason : Upward force on liquid from base of vessel is pA, where p is pressure at bottom. Mass of solid floating in liquid is m1 and mass of liquid is [...]
Assertion A solid is floating in a liquid of density p1. when the solid melts its density becomes p2 in liquid state. If p1 > p2 level of liquids will increase after melting. Reason In liquid state volume always increases after a solid melts.
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Sep
Assertion A solid is floating in a liquid of density p1. when the solid melts its density becomes p2 in liquid state. If p1 > p2 level of liquids will increase after melting. Reason In liquid state volume always increases after a solid melts. Upthrust will remain same September 17, 2020 Category: Arihant Physics by [...]
Which of the following pairs of forces cannot be added to give a resultant force of 4 N?
17
Sep
Which of the following pairs of forces cannot be added to give a resultant force of 4 N? Which of the following pairs of forces cannot be added to give a resultant force of 4 N? September 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Assertion : A solid is floating in a liquid . If temperature is increased and expansion of solid is ignored, then fraction of volume immersed will increase. Reason : By increasing the temperature density of liquid will decrease.
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Sep
Assertion : A solid is floating in a liquid . If temperature is increased and expansion of solid is ignored, then fraction of volume immersed will increase. Reason : By increasing the temperature density of liquid will decrease. Assertion : A solid is floating in a liquid . If temperature is increased and expansion of [...]