List of top Physical Sciences Questions

The volume of a certain amount of ideal gas at 30°C and 200 cm of Hg pressure is 90 ml. The gas is expanded to 300 ml keeping the temperature constant, then the pressure of the expanded gas is
The length of an object was measured to be 60 cm by a linear scale having least count 1 mm. What is the possible percentage error in the measurement?
How many moles of carbon makes 3.6 g of carbon ?
Newton's first law of motion leads us to-
Which is/are correct for \(γ\)-ray?
Which of the followings are derived physical quantities ?
Which of the following statement/s is/are correct at NTP?
Which of the following statement(s) is/are correct when α, β, γ are the coefficients of linear expansion, surface expansion and volume expansion respectively of a solid ?
Due to which property of water raindrops are spherical in shape ?
Which of the following is/are correct for any gas?
An object is sliding down an inclined plane. The velocity changes at a constant rate from 10 cm/s to 15 cm/s in two seconds. What is its acceleration ?
2 u mass is equivalent to
German Silver contains
The dehydrating agent for ammonia used in laboratory is
Which is used as a cryogenic agent?
Denatured spirit contains
In electroplating of silver, the electrolyte is
The co-efficient of volume expansion of any ideal gas is
Resistances of two coils of wire are 9 Ω and 18 Ω. If these coils be connected in parallel combination, then what will be the equivalent resistance ?
When the object lies at infinite distance in front of concave mirror then the nature of the image is
Which of the following is a covalent compound with triple bond?
The correct order of electronegativity is
Which part of human eye plays the role of light-proof chamber?
During the emission of γ-ray
Which of the following has the highest thermal conductivity?