1
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Consider the following statements relating to Richter scale

1. It was devised in 1935 by Charles F Richter.

2. It describes the quantity of energy released by a single earthquake.

3. Richter scale has no upper limit.

Which of the statement(s) given above is/are correct?
A
Only 1
B
1 and 2
C
2 and 3
D
All of these
2
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following ocean currents is not a cold ocean current?
A
Canary current
B
California current
C
Kuroshio current
D
Oyashio current
3
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
What is the time gap in occurrence of two successive tides at a given place on the ocean surface?
A
12 hr
B
12 hr 26 min
C
24 hr
D
24 hr 52 min
4
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
The Sun is seen little before it rises and for a short while after it sets. This is because of
A
total internal reflection
B
atmospheric refraction
C
apparent shift in the direction of Sun
D
dispersion
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