The Constitution of India was for the first time amended in the year:Â
The Constitution (First Amendment) Act, 1951, enacted in 1951, made several changes to the Fundamental Rights provisions of the Indian constitution. It provided means to restrict freedom of speech and expression, validation of zamindari abolition laws, and clarified that the right to equality does not bar the enactment of laws which provide "special consideration" for weaker sections of society.
Which of the following materials is used for the generation of ultrasonic waves by using magnetostriction effect?
The energy emitted by the Sun is due to
The energy that can harness heat stored below the earth's surface is known as –
A decibel is –
The diameter of a capillary is 4mm. If Reynolds's number of the tube is 1000 and the co-efficient of viscosity for water is 0.02 poise, determine the m...
Current sensitivity of a moving coil galvanometer is 9 div/mA and its voltage sensitivity (angular deflection per unit voltage applied) is 30 div/V. The...
The unit of measurement of noise is –
A galvanometer coil has a resistance of 14 Ω and the metre shows full scale deflection for a current of 4 mA. How will you convert the metre into a vo...
Which of the following is NOT a non-contact force?
 The radii of curvature of the faces of a double convex lens are 20 cm and 30 cm. If focal length of the lens is 36 cm find the refractive index of t...