[object Object]
[object Object]
विषय
मुख्य विषय
अध्याय
Advertisements
Advertisements
Physics
Advertisements
What is an electroscope? Describe the different stages of charging a gold leaf electroscope negatively with the help of a diagram.
Chapter: [8.2] Magnetism
Concept: undefined >> undefined
Concept: undefined >> undefined
Explain with a suitable diagram, the converging of a parallel beam of light rays by a concave mirror.
Chapter: [6] Light
Concept: undefined >> undefined
Concept: undefined >> undefined
If the radius of curvature of a concave mirror is 30 cm, what is its focal length?
Chapter: [6] Light
Concept: undefined >> undefined
Concept: undefined >> undefined
The atmospheric pressure is 75 cm of mercury. Express it in Nm-2.
Chapter: [4.1] Fluids
Concept: undefined >> undefined
Concept: undefined >> undefined
Why can't water be used in place of mercury in a barometer?
Chapter: [4.1] Fluids
Concept: undefined >> undefined
Concept: undefined >> undefined
What physical quantity is measured in the bar?
Chapter: [4.1] Fluids
Concept: undefined >> undefined
Concept: undefined >> undefined
Why does the velocity of a stone thrown vertically upwards decreases?
Chapter: [2] Motion in One Dimension
Concept: undefined >> undefined
Concept: undefined >> undefined
Deduce an expression for the pressure at a depth inside the liquid.
Chapter: [4.1] Fluids
Concept: undefined >> undefined
Concept: undefined >> undefined
How does atmosphere pressure vary with height?
Chapter: [4.1] Fluids
Concept: undefined >> undefined
Concept: undefined >> undefined
Why is mercury used in a barometer?
Chapter: [4.1] Fluids
Concept: undefined >> undefined
Concept: undefined >> undefined
What is meant by atmospheric pressure?
Chapter: [4.1] Fluids
Concept: undefined >> undefined
Concept: undefined >> undefined
What is the value of atmospheric pressure?
Chapter: [4.1] Fluids
Concept: undefined >> undefined
Concept: undefined >> undefined
Name the instrument used to measure atmospheric pressure.
Chapter: [4.1] Fluids
Concept: undefined >> undefined
Concept: undefined >> undefined
What does a falling barometer indicate?
Chapter: [4.1] Fluids
Concept: undefined >> undefined
Concept: undefined >> undefined
How does the atmospheric pressure change with altitude?
Chapter: [4.1] Fluids
Concept: undefined >> undefined
Concept: undefined >> undefined
State two factors which affect the atmospheric pressure as we go up.
Chapter: [4.1] Fluids
Concept: undefined >> undefined
Concept: undefined >> undefined
What is the purpose of a barometer? State two major defects of a simple barometer.
Chapter: [4.1] Fluids
Concept: undefined >> undefined
Concept: undefined >> undefined
