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• ## A refrigerator works between 4ºC and 30ºC

A refrigerator works between 4ºC and 30ºC. It is required to remove 600 calories of heat every second in order to keep …

Anurag Mishra Professor Asked on 7th May 2016 in
• 2205 views
• ## A particle of mass 10 g moves along a circle of radius 6.4 cm with a constant

A particle of mass 10 g moves along a circle of radius 6.4 cm with a constant tangential acceleration. What is the …

Anurag Mishra Professor Asked on 7th May 2016 in
• 1829 views
• ## An air column, closed at one end and open at the other

An air column, closed at one end and open at the other, neonates with a tuning fork when the smallest length of …

Anurag Mishra Professor Asked on 7th May 2016 in
• 1444 views
• ## A astronomical telescope has objective and eyepiece of focal lengths 40 cm and 4 cm

A astronomical telescope has objective and eyepiece of focal lengths 40 cm and 4 cm respectively. To view an object 200 …

Anurag Mishra Professor Asked on 7th May 2016 in
• 1186 views
• ## A disk and a sPhere of same radius but different masses roll

A disk and a sPhere of same radius but different masses roll oJf on two lnc p of the same altitude and …

Anurag Mishra Professor Asked on 7th May 2016 in
• 1255 views
• ## The magnetic susceptibility is negative for:

paramagnetic and ferromaff,tic materials diamagnetic material only paramagnetic material only ferromagnetic material only

Anurag Mishra Professor Asked on 7th May 2016 in
• 1215 views
• ## What is the minimum velocity with which a body of mass m must enter a vertical loop

What is the minimum velocity with which a body of mass m must enter a vertical loop of radius R …

Anurag Mishra Professor Asked on 2nd May 2016 in
• 1704 views
• ## A particle moves so that its position vector is given by

Where ω is constant. Which of the following is true? (a) Velocity is perpendicular to r and acceleration is directed …

Anurag Mishra Professor Asked on 2nd May 2016 in
• 1139 views
• ## When the switch S is turned to position 2

A capacitor of 2 µF is charges as shown in the diagram. When the switch S is turned to position …

Anurag Mishra Professor Asked on 2nd May 2016 in
• 962 views
• ## From a disc of radius R and mass M, a circular hole of diameter R

From a disc of radius R and mass M, a circular hole of diameter R, whose rim passes through the …

Anurag Mishra Professor Asked on 2nd May 2016 in
• 1959 views
• ## Two identical charged spheres suspended from a common point by two massless strings

Two identical charged spheres suspended from a common point by two massless strings of lengths l, are initially at a …

Anurag Mishra Professor Asked on 2nd May 2016 in
• 1496 views
• ## An inductor 20 mH, a capacitor 50µF and a resistor 40Ω are connected

An inductor 20 mH, a capacitor 50µF and a resistor 40Ω are connected in series across a source of emf …

Anurag Mishra Professor Asked on 2nd May 2016 in
• 3036 views
• ## A long solenoid has 1000 turns. When a current of 4A flows through it

A long solenoid has 1000 turns. When a current of 4A flows through it, the magnetic flux linked with each …

Anurag Mishra Professor Asked on 2nd May 2016 in
• 1236 views
• ## At what height from the surface of earth the gravitation potential and the value

At what height from the surface of earth the gravitation potential and the value of g are -5.4 x 107 …

Anurag Mishra Professor Asked on 2nd May 2016 in
• 1242 views
• ## If the magnitude of sum of two vectors is equal to the magnitude of difference

If the magnitude of sum of two vectors is equal to the magnitude of difference of the two vectors, the …

Anurag Mishra Professor Asked on 2nd May 2016 in
• 1624 views
• ## The term ecosystem was coined by:

(a) E. Warming (b) E.P. Odum (c) A.G. Tansley (d) E. Haeckel

Anurag Mishra Professor Asked on 2nd May 2016 in
• 1507 views
• ## Which one of the following is the starter codon?

(a) UAG (b) AUG (c) UGA (d) UAA

Anurag Mishra Professor Asked on 2nd May 2016 in
• 1598 views
• ## Joint Forest Management Concept was introduced in India during:

(a) 1990s (b) 1960s (c) 1970s (d) 1980s

Anurag Mishra Professor Asked on 2nd May 2016 in
• 1331 views
• ## Depletion of which gas in the atmosphere can lead to an increased incidence of skin cancers:

(a) Methane (b) Nitrous oxide (c) Ozone (d) Ammonia

Anurag Mishra Professor Asked on 2nd May 2016 in
• 1348 views