Solution : $\Delta x. m \Delta v= \large\frac{h}{4 \pi}$or $\Delta v= \large\frac{h}{4 \pi m \Delta ...

Solution : Wave number = 1/ wavelength Wavelength $= 5800 A_0$$\qquad= 5800 \times 10^{-10} m $Wave ...

Solution : For an electron may be 0,1,2 .......... and I=0 to n=1 and m=-1 to 0 and $\pm 1/2$Hence i...

Solution : Total number of subshells$=(2l+1)$therefore , Maximum number of electron in the subshell ...

Solution : $\large\frac{1}{2m} \sqrt {\large\frac{h}{\pi}} $ According to Heisenberg's ...

Solution : By heisenberg's uncertainty principle$\Delta p \to$ uncertainty in momentum$\Delta x \to$...

Solution : The orientation of an atomic orbit is governed by magnetic quantum number.

Solution : $16x^2-10(4^x)+16=0$$16x=(4^2)^x=4^{2x}$Let $4^x=a$Hence the equation can be written as $...

Solution : $2[x+2]^2=3x-5$=> $2(x^2+4x+4)=3x-5$=> $2x^2+8x+8=3x-5$=> $2x^2+5x+13=0$$b^2-4ac...

Solution : $18x^2=39x+84$=> $18x^2-39x-84=0$=> $3(6x^2-21x+8x-28)=0$=> $3[3x(2x-7)+4(2x-7)]...

Solution : $\large\frac{x^2-x}{x-1}$$=1$=> $\large\frac{x(x-1)}{(x-1)}$$=1$=> $x=1$But if $x=1...

Solution : $\large\frac{6k^2-18k-24}{2k+2}=\frac{6(k^2-3k-4)}{2(k+1)}$$\qquad= \large\frac{6(k-4)(k+...

Solution : $36x^2-12x-15=0$=> $36x^2-30x+18x-15=0$$(6x+3) (6x-5)=0$If $6x+3=0=> x=-\large\frac...

Solution : $x^5-5x+6=0$=> $x^2-3x-2x+6=0$=> $x(x-3)-2(x-3)=0$=> $(x-2)(x-3)=0$when $x=2,k=2...

Solution : $2x^2+9x-2x-9=0$$x(2x+9)-1(2x+9)=0$=> $(2x+9)(x-1)=0$=> when $2x+9=0=>x=\large\f...

Solution : Methy alcohol can be converted to ethyl alcohol as follows https://clay6.com/mpaimg/st2.j...

Solution : https://clay6.com/mpaimg/st1.jpg

Solution : $M= \large\frac{mol}{V}$$V=\large\frac{mol}{M}$$\quad= \large\frac{0.1}{0.8}$$\quad= 0.12...

Solution : $\Delta _M= \large\frac{k \times 1000}{M}$ $1.62 \times 10^{2}=\frac{k \time...

Solution : The van der Wall's force /molecular forces of attraction /cohesive forces are greater in ...

Solution : From Arrhenius equation $\log \large\frac{k_2}{k_1}=\frac{E_a}{2.303\;R} \bigg(\frac{T_2 ...

Solution : A cation that just fits into the tetraedral hole should have a radius equal to the radius...

Solution : For Neutralization $x_1 \times M_1 \times v_1=x_2 \times M_2 \times v_2$For $H_3PO_4 =>...

Solution : When electrons are passed through electromagnetic field, electrons are deflected away fro...

Solution : isoelectronic species refers to the elements that have the same number of electrons. Hen...

Solution : (c) Amongst isoelectronic species, smaller the positive charge on the cation, smaller is ...

Solution : Energy (E) of a photon is given by the expression, E=hνWhere, h = Planck’s constant = $6.

Solution : The element with atomic number(Z) 92 & mass number (A)233 is uranium $=_{92} ^{233} ...

Solution : $(P + a/V_2) (V - b) = RT$P is pressure, V is volume and T is temperature.$[P] = [F/A] =...

Solution : carbon %= 76.5% hydrogen $\%= 6.38\%$ Oxygen $\%=100.(76.5+6.38)$ $\...

Solution : For a cubic crystal $r=\large\frac{Face \;diagonal} {2 \sqrt 2}$$=1.5029\;A^{\circ}$Edge ...

Solution : https://clay6.com/mpaimg/1_s4.jpg

Solution : The formula mass of $Na_2SO_4.10H_2O=322\;g$$322\;g\;Na_2SO_4.10H_2O$ contain 14 atoms of...

Solution : time taken to completed a single revolution T= path distance /velocityor $T=\large\frac{2...

Solution : https://clay6.com/mpaimg/1_corr6.jpg$\sin x=\large\frac{\sqrt {3}}{2}$$AB^2+BC^2=AC^2$$(\...

Solution : Since the slides of $\Delta ABC$ is $\large\frac{1}{4}$ the length of the correspond...

Solution : $\tan x = \large\frac{AB}{BC}=\frac{40}{40}$$=1$=> $x=45^{\circ}$

Solution : When $x > 45^{\circ}$ 2x becomes greater than $90^{\circ}$ . This implies cosine ratio...

Solution : $(3i)^9=3^9 \times i^9$$\qquad= 19683 \times (i^8)^8.i$$\qquad=19683i$

Solution : $2(1-i)+3i(1-i)$=>$=2-2i+3i+3$$\qquad= 5+i$

Solution : $x^2+2xy+y^2=(x+y)^2$If $x=2+i)$, then $y=2-i$$x+y=2+i+2-i$$\qquad= 4$$\therefore (x+y)^2...

Solution : $(5^4 \times i^4 ) \times (4^3 \times i^3)$=> $625 \times 1 \times 64 \times -i$=>$...

Solution : $x^2+bx+c$ Since $(2+4i)$ is root of the equal $(2+4i)^2+b(2+4i)+c=0+0i$=> $4+16i-16+2...

Solution : $\large\frac{2-ki}{k-i} \times \frac{k+i}{k+i}= \large\frac{2(k+i)-ki(k+i)}{k^2+1}$=> ...

Solution : $(\cos^2\theta)^2-(\sin^2 \theta)^2=(\cos^2\theta+\sin ^2\theta)(\cos^2\theta - \sin ^2\t...

Solution : $2 \pi+\large\frac{\pi}{6}-\frac{13 \pi}{6}$The angle lies in the I quadrant $\therefore ...

Solution : $\cot (-300^{\circ})- \cot 300^{\circ}$$360^{\circ}-60^{\circ}=300^{\circ}$This lies in t...

Solution : $\sin \large\frac{\pi}{4} =\frac{1}{\sqrt 2},$$\cos \large\frac{\pi}{3}=\frac{1}{2}$,$\ta...

Solution : $AB^2=AC^2+BC^2$$\qquad= 4^2+3^2$$AB=5$$\sin A=\large\frac{3}{5}$ and $\cos B= \large\fra...

Solution : $\sin(-z)=-\sin z$$\sin (\pi-x) \neq -k$Hence $(\pi-x)$ is the correct answer.