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The electronic configuration of the element which is just above the element with atomic number 45 in the same particle group is a) 1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}3{{p}^{6}}3{{d}^{10}}4{{s}^{1}}4{{p}^{6}} b) 1{{s}^{2} ...

If f(x) = frac{x}{{x - 1}}, then frac{f(a)}{f(a+1)} a) f(-a) b) fleft( {frac{1}{a}} ight) c) f({a^2}) d) fleft(frac{-a}{a-1} ight) ...

Consider the parabola x2 = 4y and circle x2 + (y – 5)2 = r2 (r > 0). Given that the circle touches the parabola at the points P and Q. Let R be the point of intersection of tangents to parabola at P and Q and S be the ce ...

viii) f( x) =((2x-1)/(x-1)) ...

f(x)= log[x]/x evaluate limit x→ ∞ ...

mathop {lim }limits_{n o infty } frac{{{1^p} + {2^p} + {3^p} + ........ + {n^p}}}{{{n^{p + 1}}}} = a) frac{1}{{p + 1}} b) frac{1}{{1 - p}} c) frac{1}{p} - frac{1}{{(p - 1)}} d) frac{1}{{p + 2}} ...

There are three coplanar parallel lines.If any p points are taken on each of the line,the maximum number of triangles with vertices at these points is a.3p2(p-1) b.3p2(p-1)+1 c.p2(4p-3) d.None of these ...

A body moves with speed 20m/sec for 10 sec and then with 30m/sec for some distance. The average speed may be (A) 8m/sec (B) 15m/sec (C) 25m/sec (D) all of these are possible ...

Find the solution of y = 3x + 4 x=4 a) x=0,y=4 b) x=1, y=7 c) x=4, y=16 d) None of these ...

the amount of water contained in a sphere o9f radius 3cm is pour into a cube of 5cm . the height up to which water will rise i the cube is.... a)2 cm b)3Ï€/4 cm c)0.5Ï€ cm d)1.44Ï€ cm pllzzz the workout as well.. thanku... ...

f(x)= (1-cosx) (1-cosx)..... upto ∞ ...

f(x)=mod(x-1)-[x] evaluate limit x→ 1 ...

f(x+y)=f(x)+f(y) f(x)is a)even or b)odd function please show the working ...

f(x)=|cos x| prove that it is periodic f(x)= [x] prove that it is non periodic ...

f(x)= log[x]/x evaluate limit x→ ∞ ...

7x + y = -4 4y + 28x +16 = 0. Which is true? a) Only consistent b) Inconsistent c) Dependent, but consistent d) Independent ...

The property of being able to perceive changes in the environment and react is a) Organization b) Spontaneity c) Sensitivity d) Homeostasis ...

Work done by friction while we are walking is zero because: a) The point of application does not move. b) No friction is acting. c) The direction of friction and direction of walking are different. d) None of the above. ...

If {{x}^{y}}={{y}^{x}}, then {{(x/y)}^{(x/y)}}={{x}^{(x/y)-k}}, where k= a) 0 b) 1 c) -1 d) 2 ...

Rutherford’s experiment on scattering of α-particles showed for the first time that the atom has a) Nucleus b) Electron c) Proton d) Neutron ...

 A work of 4900j is done on road of mass 50 kg to lift it to a certain height. Calculate the height through which the load is lifted. a) 10 b) 20 c) 30 d) none ...

The G.C.D. of 1.08, 0.36 and 0.9 is: a) 0.03 b) 0.9 c) 0.18 d) 0.108 ...

*Image* ...

The least multiple of 7, which leaves a remainder of 4, when divided by 6, 9, 15 and 18 is a) 74 b) 94 c) 184 d) 364 ...

2 bodies of equal masses has momentum in the ratio 3:1. Then the ratio of their momentum is a) 1:3 b) 3:1 c) *Image* d) None of them ...

If a substance shows independent properties of its constituents, it is a) Element b) Compound c) Mixture d) All of these ...

The volume of helium is 44.8 L at (a) 100° C and 1 atm (b) 0° C and 1 atm (c) 0° C and 0.5 atm d) 100° C and 0.5 atm ...

Supposing the energy of fourth shell for hydrogen atom is – 50 a.u. (arbitrary unit). What would be its ionization potential a)50 b)800 c)15.4 d)20.8 what is ionization potential? ...

Cartilage is not found in a) nose b) ear c) kidney d) larynx ...

If Aufbau rule is not followed in filling of suborbital then block of the element will change in a) K (19) b) Ar (18) c) Both case d) None ...