List of practice Questions

The value of \(\frac{x+\sqrt{x²-1}}{x-\sqrt{x²+1}} +\frac{x+\sqrt{x²+1}}{x-\sqrt{x²-1}}\) is
Due to which property of water raindrops are spherical in shape ?
Which of the following statement/s is/are correct at NTP?
Which of the following is/are correct for any gas?
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 ?
In electroplating of silver, the electrolyte is
The dehydrating agent for ammonia used in laboratory is
Which is used as a cryogenic agent?
German Silver contains
Denatured spirit contains
2 u mass is equivalent to
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 ?
The co-efficient of volume expansion of any ideal gas is
When the object lies at infinite distance in front of concave mirror then the nature of the image is
Which part of human eye plays the role of light-proof chamber?
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 ?
During the emission of γ-ray
The correct order of electronegativity is
Which of the following is a covalent compound with triple bond?
pH of acid is
Ring test ascertains
In which of the following condition the work done by a force is zero?
The volume of 64 g O2 at STP is
Which of the following has the highest thermal conductivity?
If'+' means 'divided by', '-' means 'multiplied by', 'x' means 'minus' and '+' means 'plus', 16+8-4+2 x 4 equals to