Related Questions

During elastic impact, the relative velocity of the two bodies after impact is __________ the relative velocity of the two bodies before impact.
A Equal to
B Equal and opposite to
C Less than
D Greater than
A man standing at the top of a tower has two spheres A and B. He drops sphere A downwards and throws sphere B horizontally at the same time. Which of the following is correct ?
A Both the spheres will reach the ground simultaneously.
B A will reach the ground first.
C B will reach the ground first.
D The question is incomplete because the masses of the spheres are not given.
The area of two spheres are in the ratio 1:4. The ratio of their volume is-
A 1 : 6
B 1 : 8
C 1 : 4
D 1 : 2
In a lead-acid cell dilute sulfuric acid (electrolyte) approximately comprises the following
A One part H2O, three parts H2SO4
B Two parts H2O, two parts H2SO4
C Three parts H2O, one part H2SO4
D All H2SO4
Falling drops of water become spheres due to the property of
A adhesion
B cohesion
C surface tension
D viscosity
For spheres, volume shape factor is given by
A π(=A/D²)
B 2π(=2A/D²)
C π/6(=V/D³)
D AD/V
For spheres, the surface shape factor is given by (where, A = area, V = volume, and D = diameter)
A π(=A/D²)
B π/6(=V/D³)
C AD/V
D None of these
For spheres, the specific surface shape factor is given by
A $$\frac{{{\text{AD}}}}{{\text{V}}}$$
B $$\frac{{\text{D}}}{{\text{V}}}$$
C $$\frac{{\text{A}}}{{\text{V}}}$$
D $$\sqrt {\frac{{{\text{AD}}}}{{\text{V}}}} $$
Which of the following is not a key planning element of spheres of influence?
A Buffer zones
B Forward positions
C Cost base
D Vital interests
Ten books are arranged in a row following a certain sequence. Among them 3 are History , 3 are Economics, 2 are Maths and 2 are English. From the left, there is an English book between a History and Maths book, a history book between a Maths and an English book, an Economics book between an English and a Maths Book. a Maths book between two Economics books and two Economics two Economics book between a Maths and a History book. Book of which subject is at the sixth position from the left?
A English
B Economics
C History
D Mathematics

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