1
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Assume that light of wavelength 600 nm is coming from a star. The limit of resolution of telescope whose objective has a diameter of 2 m is :
A
1.83 $$ \times $$ 10-7 rad
B
7.32 $$ \times $$ 10-7 rad
C
6.00 $$ \times $$ 10-7 rad
D
3.66 $$ \times $$ 10-7 rad
2
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
When a uranium isotope $$_{92}^{235}U$$ is bombarded with a neutron, it generates $$_{36}^{89}Kr$$ three neutrons and :
A
$${}_{40}^{91}Zr$$
B
$${}_{36}^{101}Kr$$
C
$${}_{36}^{103}Kr$$
D
$${}_{56}^{144}Ba$$
3
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
A short electric dipole has a dipole moment of 16 $$ \times $$ 10-9 Cm. The electric potential due to the dipole at a point at a distance of 0.6 m from the centre of the dipole, situated on a line making an angle of $$60^\circ $$ with the dipole axis is :

$$\left( {{1 \over {4\pi {\varepsilon _0}}} = 9 \times {{10}^9}N{m^2}/{C^2}} \right)$$
A
200 V
B
400 V
C
zero
D
50 V
4
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
A ray is incident at an angle of incidence i on one surface of a small angle prism (with angle of prism A) and emerges normally from the opposite surface. If the refractive index of the material of the prism is $$\mu $$, then the angle of incidence is nearly equal to :
A
$${{2A} \over \mu }$$
B
$$\mu $$A
C
$${{\mu A} \over 2}$$
D
$${A \over {2\mu }}$$
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12