Related Questions

If A varies directly proportional to C and B also varies directly proportional to C, which one of the following is not correct ?
A $$\left( {A + B} \right)\alpha \,C$$
B $$\left( {A - B} \right)\alpha \,\frac{1}{C}$$
C $$\sqrt {AB} \,\alpha \,C$$
D $$\frac{A}{B} = {\text{constant}}$$
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?)
A t2
B t3
C t
D 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
A Lewis-Randall rule
B Statement of Vant-Hoff equation
C Le-Chatelier's principle
D None of these
The probability of rolling any number of an wighted 6-sided die, with faces numbered 1 through 6, is directly proportional to the number rolled. What is the probability of getting 5, if the die is rolled only once?
A 1/6
B 5/6
C 5/16
D 5/21
The probability of rolling any number on a weight 6-sided die, with faces number 1 through 6, is directly proportional to the number rolled. What is the probability of getting 5, if the die is rolled only once?
A 1/6
B 5/6
C 5/16
D 5/21
The emf generated in a dc generator is directly proportional to
A Flux per pole
B No, of oples
C Spped of armature
D all above
Tendency to turbulence flow is directly proportional to
A Diameter of the blood vessel
B Density of blood
C Velocity of blood flow
D Viscosity of blood
E Elasticity of vessel wall
Blood flow is directly proportional to
A Cross sectional area of blood vessel
B Pressure gradient
C Diameter of blood vessel
D Viscosity of blood
E Length of blood vessel
Total peripheral resistance is directly proportional to
A Length of blood vessels
B Viscosity of blood
C Velocity of blood flow
D Diameter of blood vessels
E Elasticity of vessel wall
Resistance to blood flow is directly proportional to
A Viscosity of blood
B Length of blood vessels
C Velocity of blood flow
D Elasticity of vessel wall
E Fourth power of the radius of blood vessel

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