Maths-
General
Easy

Question

If ABCD is a square as shown in the figure then which of the following are adjacent sides ?

  1. stack A B with rightwards arrow on top comma stack A C with rightwards arrow on top    
  2. stack A B with rightwards arrow on top comma stack A D with rightwards arrow on top    
  3. stack B C with rightwards arrow on top comma stack B D with rightwards arrow on top    
  4. stack C D with rightwards arrow on top comma stack C A with rightwards arrow on top    

The correct answer is: stack A B with rightwards arrow on top comma stack A D with rightwards arrow on top


    In the given figure AD,AB are adjacent sides

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    Pick up the correct statement/statements: 1. gas A will tend to lie at the bottom. 2. the number of atoms of various gases A, Band Care same. 3. the gases will diffuse to form homogeneous mixture, 4. average kinetic energy of each gas is same,

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    V subscript c end subscript equals 3 b comma P subscript c end subscript equals fraction numerator a over denominator 27 b to the power of 2 end exponent end fraction comma T subscript c end subscript equals fraction numerator 8 a over denominator 27 R b end fraction

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    The nuclear charge (Ze) is non-uniformly distributed within a nucleus of radius R The (charge per unit volume) rho left parenthesis r right parenthesischarge density is dependent only on the radial distance r from the centre of the nucleus, as shown The electric field is only along radial direction
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    Consider radioactive decay of A to B which , further decays either to X or Y, andlambda subscript 1 end subscript comma lambda subscript 2 end subscript comma lambda subscript 3 end subscript are decay constants for A to B decay, B to X decay and B to Y decay respectively At t =0, the number of nuclei of A,B,X and Y are N subscript 0 end subscript , N subscript 0 end subscript zero and zero respectively N subscript 1 end subscript comma N subscript 2 end subscript comma N subscript 3 end subscript text  and  end text N subscript 4 end subscript are the number of nuclei of A,B,X and Y are at any instant t.

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    physics-General
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    Consider radioactive decay of A to B which , further decays either to X or Y, andlambda subscript 1 end subscript lambda subscript 2 end subscript lambda subscript 3 end subscript are decay constants for A to B decay, B to X decay and B to Y decay respectively At t =0, the number of nuclei of A,B,X and Y are N subscript 0 end subscript , N subscript 0 end subscript zero and zero respectively N subscript 1 end subscript comma N subscript 2 end subscript comma N subscript 3 end subscript text  and  end text N subscript 4 end subscript are the number of nuclei of A,B,X and Y are at any instant t.

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    The mass of nucleus blank subscript Z end subscript X to the power of A end exponent is less than the sum of the mases of (A - Z) number of neutrons and Z number of protons in the nucleus The energy equivalent to the corresponding mass difference is known as the binding energy of the nucleus A heavy nucleus of mass M can break into two light nuclei of mass m1 and m2 M only if open parentheses m subscript 1 end subscript plus m subscript 2 end subscript close parentheses less than M Also two light nuclei of mass  m3 and m4 can undergo complete fusion and form a heavy nucleus of mass M “only if open parentheses m subscript 3 end subscript plus m subscript 4 end subscript close parentheses greater than M to the power of ´ ´ end exponent The masses of some netrural atoms are given in the table below.

    The correct statement is

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    The correct statement is

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    From the figure describing photoelectric effect we may infer correctly that

    From the figure describing photoelectric effect we may infer correctly that

    physics-General
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