1
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

$$ \text { Match List I with List II. } $$

$$
\text { List-I }
$$
$$
\text { List-II }
$$
A. $E=h v$ I. de Broglie wavelength
B. Diffraction and Interference II. Particle nature of light
C. $\lambda=h / p$ III. Wave nature of light
D. Compton effect IV. Energy of photon
A

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

B

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

C

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

D

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

2
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

In the first excited state of hydrogen atom, the energy of its electron is -3.4 eV . The radial distance of the electron from the hydrogen nucleus in this case is approximately:

(Take $1 \mathrm{eV}=1.6 \times 10^{-19} \mathrm{~J}, \mathrm{e}=1.6 \times 10^{-19} \mathrm{C}$ and $\frac{1}{4 \pi \varepsilon_0}=9 \times 10^9 \mathrm{~N} \mathrm{~m}^2 / \mathrm{C}^2$ )

A

$2.1 \times 10^{-9} \mathrm{~m}$

B

$2.1 \times 10^{-8} \mathrm{~m}$

C

$2.1 \times 10^{-10} \mathrm{~m}$

D

$2.1 \times 10^{-11} \mathrm{~m}$

3
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

A box of mass 15 kg is kept on the floor of a stationary trolley. The coefficient of static friction between the box and the trolley is 0.12 . Keeping the box in stationary state over the trolley, the maximum acceleration with which the trolley can be moved horizontally in $\mathrm{m} \mathrm{s}^{-2}$ is:

$$ \left(g=10 \mathrm{~m} / \mathrm{s}^2\right) $$

A

2.1

B

1.8

C

1.5

D

1.2

4
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

Five capacitors of capacitances

$C_1=C_2=C_3=C_4=10 \mu \mathrm{~F}$ and $C_5=2.5 \mu \mathrm{~F}$ are connected as shown, along with a battery of 50 V .NEET 2026 Physics - Capacitor Question 1 English

The equivalent capacitance and the charges on each capacitor respectively are:

A

$5 \mu \mathrm{~F}, 125 \mu \mathrm{C}$ on $C_1$ to $C_4$ and $25 \mu \mathrm{C}$ on $C_5$

B

$5 \mu \mathrm{~F}, 125 \mu \mathrm{C}$ on all capacitors

C

$5 \mu \mathrm{~F}, 250 \mu \mathrm{C}$ on all capacitors

D

$4 \mu \mathrm{~F}, 250 \mu \mathrm{C}$ on $C_1$ to $C_4$ and $125 \mu \mathrm{C}$ on $C_5$