What is the colour of base?
Phenolphthalein : • Chemical formula: C14 H20 O4 • It is a synthetic acid/base indicator. • It is colourless in acidic medium and turns to pink in basic medium. Methyl orange: • Chemical Formula: C14 H 14 N3 NaO3 S. • It is a synthetic indicator. • It turns orange-red in acidic medium and is yellow in basic medium.
What is the momentum of an object of mass 1/2 m, moving with a velocity of 2V?
The correct option, if speeds of gamma rays, X-rays and microwave are Vg, Vx an Vm respectively will be
Which of the following phenomena establishes the transverse nature of light waves?
Which of the following statement is INCORRECT regarding the comparison between biot-savart law for the magnetic field and coulomb's law for the electro...
Which of the following statement is correct?
I. Value of ‘g’ is higher at poles than equator
II. Weight of an object at moon is 1...
If a medium has a critical angle for total internal reflection from the medium to vacuum as 90°, what is the velocity of light in the medium? (Take c =...
A sudden drop in barometric pressure indicates which of the following?
Which of the following is the energy quantum of radiation?
What is the velocity of light in a diamond if the refractive index of diamond with respect to vacuum is 2.5?
