Glaucoma is an eye disease arising from
Glaucoma is an eye disease arising from
Options
(a) Increased pressure of fluid in eye ball (b) Elongation of eye ball (c) Shortening of eye ball (d) Irregularity in the surface of cornea
JIPMER2002
A thermoelectric refrigerator works on
A thermoelectric refrigerator works on
Options
(a) Joule effect (b) Seebeck effect (c) Peltier effect (d) Thermionic emission
Correct Answer:
Peltier effect
Explanation:
No explanation available. Be the first to write the explanation […]
The lowest frequency of light that will cause the emission of photoelectrons
The lowest frequency of light that will cause the emission of photoelectrons from the surface of a metal (for which work function is 1.65 eV) will be
Options
(a) 4×10¹⁰ Hz (b) 4×10¹⁴ Hz […]
Weber ampere per metre is equal to
Weber ampere per metre is equal to
Options
(a) Joule (b) Henry (c) Newton (d) Watt
Correct Answer:
Newton
Explanation:
weber = (emf) dt = (joule / charge) × time = joule / amp
If two bodies are projected at 30⁰ and 60⁰ respectively with the same velocity, then
If two bodies are projected at 30⁰ and 60⁰ respectively with the same velocity, then
Options
(a) Their ranges are same (b) Their heights are same (c) Their times of flight are same […]
The acceleration due to gravity at a place is π² m/sec². Then the time period
The acceleration due to gravity at a place is π² m/sec². Then the time period of a simple pendulum of length one metre is
Options
(a) 2/π sec (b) 2π sec (c) 2 […]
Two rigid bodies A and B rotate with rotational kinetic energies Eᴀ and Eʙ
Two rigid bodies A and B rotate with rotational kinetic energies Eᴀ and Eʙ respectively. The moments of inertia of A and B about the axis of rotation are Iᴀ and Iʙ respectively. If Iᴀ […]
An air core solenoid has 1000 turns and is one meter long. Its cross sectional area
An air core solenoid has 1000 turns and is one meter long. Its cross sectional area is 10 cm². Its self inductance is
Options
(a) 0.1256 mH (b) 12.56 mH (c) 1.256 mH […]
A body is thrown with a velocity of 9.8 m/s making angle of 30° with the horizontal
A body is thrown with a velocity of 9.8 m/s making angle of 30° with the horizontal. It will hit the ground after a time
Options
(a) 1.5 secs (b) 1 sec (c) […]
The mean distance between the atoms of iron is 3 x 10⁻¹⁰ m and interatomic force
The mean distance between the atoms of iron is 3 x 10⁻¹⁰ m and interatomic force constant for iron is 7 N/m. The Young’s modulus of elasticity for iron is
Options
(a) 2.33 […]