____________is the fundamental quantity.

Force involved in uniform circular motion is given by _____________.

The focal length of a concave mirror is 5cm. Its radius of curvature is

For a simple distillation process we need to have

The number of protons, neutrons and electrons present respectively in \(_{ 35 }^{ 80 }{ Br }\)

Consider an object is rest at position x = 20m. Then its displacement – time graph will be straight line to _____________ the axis.

The ratio of sine of the angle of incidence to the sine of  _________ is a constant

Chromatography is based on the principle of ______.

Calcium and Argon are examples of a pair of __________

Dehydration is based on the principle of removal of ____________.

When an object is at the centre of curvature of concave mirror the image formed will be virtual and erect.

Oil and water are immiscible in each other

Smaller the size of the orbit, lower is the energy of the orbit

ISI mark is mandatory to certify agricultural products

Convert: 104°F into Celsius scale.

Name some Natural Preservatives.

A sound is heard 5 s later than the lightning is seen in the sky on a rainy day. Find the distance of location of lightning? Given the speed of sound = 346 ms^-1

How will you separate a mixture containing saw dust, naphthalene and iron filings?

What is data processing?

Calculate the diameter of the sphere which is shown in the Figure. Assume the scale has no zero error.

 

Hydrogen sulphide (H₂S) contains 94.11% sulphur, water (H₂O) contains 11.11% hydrogen and sulphur dioxide (SO₂) contains 50% of oxygen. Show that the results are in agreement with the law of reciprocal proportions

Describe the characteristic features of different Prochordates with suitable diagrams.