74.

15.

76.

77.

78.

79.

81.

For a geostationary satellite the quantity common for both Earth and satellite is :
(ക 11008 ೪010010 (B) angular velocity
(0) orbital velocity म (D) escape velocity

The working principle of Venturi Meter is :
(ക Bernoulli's principle and continuity equation
(B) Archimedes' principle
(C) Torricelli's theorem
(D) Boyle's law

Two resistors 10 0 and 200 are connected in series with a cell of emf 2 V and a closed
circuit is formed, then the current through:

ക 20 Q is greater (B) 10 Q is greater
(C) both are same (D) none of the above

When temperature increases viscosity of a liquid :
८५) increases
ए) 000೫8805
(0) unchanged
(D) increases for certain liquids and decreases for certain other liquids

What is the change in Kinetic Energy (KE) of a body if its mass m and velocity ഒട doubled?

(A) KE becomes 2 times ∙ (B) KE becomes 4 times

(0 KE becomes 6 times (D) KE becomes 8 times
The working prineiple of Optical Fibre (OFC) is :

(५) total internal reflection (ല്‍) reflection

(C) - refraction (D) diffraction

When the energy of the incident photon is greater than the work function of the photoelectric
material on which it falls the remaining energy will be used for :

(4) ejecting a second photo electron
(B) increasing the temperature of the emitted electron
(C) giving kinetic energy to the emitted electron

(D) all the above

First European fort in India :
(ಸ) St.Angelo Fort in Kammur (B) St. George Fort in Madras
(C) William Fort in Culcutta (D) Fort Manual in Kochi

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