Describe the role of women in the French Revolution?
The maximum focal length of eye lens is 2.5 cm. The distance between lens and retina is 2.5cm.Minimum focal length... View Article
Latest Posts
Calculate the molecular mass of- NH3, CO2, HCl, Cl2
By Using distance formula, d =√(x2 -x1)2 + (y2 – y1)2 let P = (x, y) , Q = (3,... View Article
What is u in equation v = u + at
Quantization of charge implies that charge can assume only certain discrete values. That is to say the observed value of... View Article
The electrical resistance of insulators is (a) high (b) low (c) zero (d) infinitely high
The correct answer is (d) Infinitely high Electrical insulator A material whose internal electrical charges do not flow freely is an... View Article
What is the mode of nutrition in human beings?
Focal length is the property of a spherical mirror. It does not depend on the light used. So, it is... View Article
What are rhizoids and what is their function?
Fundamental units are the units of the fundamental physical quantities in SI system which are not formed fro other units.... View Article
How many eggs are present in an embryo sac? How many embryo sacs are present in an ovule? How many ovules are present in an ovary? How many ovaries are present in a typical flower?
Linear motion is also called rectilinear motion. It is a motion on a straight line in one-dimension. When the object... View Article
Which are the two major components of biotic environment?
Vacuum is defined as the empty space in which there are no matter particles present. As sound is a mechanical... View Article
Prove that cosA – sinA + 1/cos A + sinA – 1 = cosecA + cotA
The difference between pyramids and prisms has a structure of a three-dimensional polyhedron with a single base which is polygonal... View Article
Under what condition is the magnitude of the average velocity of an object equal to its average speed?
Answer: Velocity can be defined as the rate of change of the object’s position with respect to a frame of... View Article
Find dy/dx if y = log(sin x)
Young’s Modulus has the same dimensions as that of pressure, which is: [M][L]−1[T]−2. The ratio of stress to strain is... View Article
How many triangles in a pentagram?
The wire which is made of copper, and it can insulate electric current is said to be insulated copper wire.... View Article
Write down the difference between extensive farming and intensive farming
Electricity is the form of energy and produced by the flow of electrons whereas current is combination of flow of... View Article
Write a short note on pollution
Hz and decibels are different units used to describe different qualities of a waveform. A decibel, named after Alexander Graham... View Article
What is convectional rainfall?
Galaxy Galaxy is collection of billions of stars. Resembling human beings or animals. There are billions of galaxies in the... View Article
The base of the transistor is ______ doped.
Three rectangular mirror planes. Join them together to form a prism. Fix them in a circular cardboard tube or tube... View Article
Magnification produced by a rearview mirror fitted in vehicles is?
Convex mirrors are used in vehicles for rearview due to their wide field of view. And the convex mirror forms... View Article
What is speedometer and odometer?
A speedometer measure the speed of a vehicle in motion. It records the speed in km/h. Odometer records the distance... View Article
At noon the sun appears white as a) light is least scattered b) all the colours of the white light are scattered away c) blue colour is scattered the most d) red colour is scattered the most
Answer: (a) light is least scattered Different wavelengths of light combine together to form white light. Because the sun is overhead... View Article
Derive the third equation of motion: v2 – u2 = 2as
Answer: For getting the third law of motion equation, we use both of the equations of motion S = ut... View Article
