1
TG EAPCET 2025 (Online) 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Observe the following statements.

Statement -I Rutherford model of an atom cannot explain the stability of an atom.

Statement-II The wavelength of X-rays is higher than the wavelength of microwaves.

The correct answer is

A

Both Statements I and II are correct.

B

Both Statements I and II are not correct.

C

Statement I is correct, but Statement II is not correct.

D

Statement I is not correct, but Statement II is correct.

2
TG EAPCET 2025 (Online) 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

In hydrogen atom, an electron is transferred from an orbit of radius 1.3225 nm to another orbit of radius 0.2116 nm . What is the energy (in J ) of emitted radiation?

A

$1.635 \times 10^{-18}$

B

$3.027 \times 10^{-19}$

C

$4.087 \times 10^{-19}$

D

$0.4578 \times 10^{-18}$

3
TG EAPCET 2025 (Online) 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the correct orders regarding atomic radii

(i) $\mathrm{Cl}>\mathrm{F}>\mathrm{Li}$

(ii) $\mathrm{P}>\mathrm{C}>\mathrm{N}$

(iii) $\mathrm{Tm}>\mathrm{Sm}>\mathrm{Eu}$

(iv) $\mathrm{Sr}>\mathrm{Ca}>\mathrm{Mg}$

A

i, ii, iii only

B

ii, iv only

C

ii, iii, iv only

D

iii, iv only

4
TG EAPCET 2025 (Online) 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

$$ \text { Match the following } $$

$$ \begin{array}{cccc} \hline & \text { List-I (Elements) } & & \text { List-II (Group) } \\ \hline \text { A } & \mathrm{Mn}, \mathrm{Tc}, \mathrm{Re} & \text { I } & 12 \\ \hline \text { B } & \mathrm{Zn}, \mathrm{Cd}, \mathrm{Hg} & \text { II } & 4 \\ \hline \text { C } & \mathrm{Ti}, \mathrm{Zr}, \mathrm{Hf} & \text { III } & 17 \\ \hline \text { D } & \mathrm{Ga}, \mathrm{In}, \mathrm{Tl} & \text { IV } & 7 \\ \hline & & \text { V } & 13 \\ \hline \end{array} $$

The correct answer is

A

A-IV, B-I, C-II, D-V

B

A-IV, B-II, C-I, D-V

C

A-III, B-I, C-II, D-V

D

A-III, B-V, C-I, D-IV

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