Related Questions

The dielectric losses do not depend on frequency.
ক True
খ False
একটি কণা t = 0 সময়ে স্থির অবস্থা থেকে যাত্রা শুরু করে। কণাটির ওপর প্রযুক্ত লব্ধি বল, সময় t এর সমানুপাতিক। কণাটির গতিশক্তি নিচের কোনটির সমানুপাতিক হবে? (A particle starts from rest at t = 0. The net force acting on the particle is proportional to time t. Its kinetic energy is proportional to which one of the following?)
ক t2
খ t3
গ t
ঘ t4
The rate at which a substance reacts is proportional to its active mass and the rate of a chemical reaction is proportional to the product of active masses of the reacting substances. This is the
ক Lewis-Randall rule
খ Statement of Vant-Hoff equation
গ Le-Chatelier's principle
ঘ None of these
If A varies directly proportional to C and B also varies directly proportional to C, which one of the following is not correct ?
ক $$\left( {A + B} \right)\alpha \,C$$
খ $$\left( {A - B} \right)\alpha \,\frac{1}{C}$$
গ $$\sqrt {AB} \,\alpha \,C$$
ঘ $$\frac{A}{B} = {\text{constant}}$$
The frequency generated by each decade in a direct frequency synthesizer is much higher than the frequency shown; this is done to
ক Reduce the spurious frequency problem
খ Increase the frequency stability of the synthesizer
গ Reduce the number of decades
ঘ Reduce the number of crystals required
It is observed that in a certain sinusoidal oscillation, the amplitude is linearly dependent on the frequency f. If the maximum velocity during the oscillation is V, then V must be proportional to
ক f
খ $$\frac{1}{{\text{f}}}$$
গ $$\frac{1}{{{{\text{f}}^2}}}$$
ঘ f2
The loss of pressure head in case of laminar flow is proportional to
ক Velocity
খ (Velocity)2
গ (Velocity)3
ঘ (Velocity)4
In what method of computing depreciation where it assumes that the loss in value is directly proportional to the age of the equipment or asset?
ক Straight line method
খ Sinking fund method
গ Sum-of-year digit method
ঘ Declining balance method
The head loss due to sudden contraction is proportional to
ক Velocity
খ Velocity head
গ Turbulence
ঘ None of these
The value of energy quantum for radiation of any frequency is proportional to:
ক The frequency
খ The reciprocal of the energy
গ The square of the frequency
ঘ The square root of the frequency

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