To reduce rural-urban migration; the government should?

3 years ago

A. establish commodity boards B. provide social infrastructure C. establish tractor-hiring units D. provide extension services to farmers Correct Answer:…

A train of mass 1600 kg attains a speed of 25 ms−1 in 20 seconds. The power developed in the engine is?

3 years ago

A. 2.5 KW B. 80 KW C. 25 KW D. 50 KW Correct Answer: Option D = 50 KW

The mercury column in the barometer at notational atmospheric pressure has a height of?

3 years ago

A. 0.76 cm at see level B. 760 cm at sea level C. 7.6 cm at sea level D. 76…

A semiconductor is formed by?

3 years ago

A. co-ordinate bonds B. electrovalent bonds C. a substance-free of bonds D. covalent bonds Correct Answer: Option D = covalent…

The main factor which affects the speed of sound wave is the?

3 years ago

A. properties of the medium B. amplitude of the sound wave C. intensity of the sound wave D. loudness of…

What quantity of heat is required to convert 20 g of ice at 0 ºC to water at the same temperature? (Specific latent heat of ice = 336 Jg−1)

3 years ago

A. 7.06 x 10³J B. 5.38 x 10³J C. 6.72 x 10³J D. 1.35 x 10³J Correct Answer: Option C…

The graph of pressure (P) against the reciprocal of the volume (I/V) in Boyles’s law is a?

3 years ago

A. hyperbola B. parabola C. curve D. straight line Correct Answer: Option A - hyperbola Explanation The pressure (p) of…

The amount of energy required to change a kilogram of ice block into water without a change in temperature is?

3 years ago

A. specific latent heat of fusion of ice B. specific heat capacity of rice C. heat capacity of rice D.…

The eclipse of the moon occurs when?

3 years ago

A. the moon reflects the rays from the sun to the earth B. the moon comes exactly between the earth…

The potential energy in an elastic string of force constant k; which has an extension X is?

3 years ago

A. kX B. KX2 C. ½KX² D. ½K Correct Answer: Option C = ½KX² Explanation elastic potential energy [Ee] =…