1
NDA 2018 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
A planet has a mass M1 and radius R1. The value of acceleration due to gravity on its surface is g1.

There is another planet 2, whose mass and radius both are two times that of the first planet. Which one of the following is acceleration due to gravity on the surface of planet 2 ?
A
g1
B
2g1
C
g1 / 2
D
g1 / 4
2
NDA 2018 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
The wavelength of X-rays is of the order of
A
1 $$\mathop A\limits^o $$
B
1 $$\mu$$m
C
1 mm
D
1 cm
3
NDA 2018 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Consider the following velocity and time graph

Image

Which one of the following is the value of average acceleration from 8 s to 12 s ?
A
8 m/s2
B
12 m/s2
C
2 m/s2
D
$$-$$1 m/s2
4
NDA 2018 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
If the focal length of a convex lens is 50 cm, then which one of the following is its power?
A
+2 D
B
+0.02 D
C
$$-$$0.5 D
D
+0.5 D
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12