Questions

Q:

Echocardiogram is more closely related to

A) Doppler effect B) Zeeman effect
C) Photoelectric effect D) Magnetic effect
 
Answer & Explanation Answer: A) Doppler effect

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Q:

What is the principal focus of a spherical mirror?

A) It is a point from which the rays of light appear to be coming from on the principal axis of a convex mirror B) It is the point on the principal axis through which rays of light parallel to the principal axis pass after reflection or appear to be arising from this point on the principal axis
C) It is the centre of a hollow sphere of which the spherical mirror is a part D) It is the midpoint of a spherical mirror
 
Answer & Explanation Answer: B) It is the point on the principal axis through which rays of light parallel to the principal axis pass after reflection or appear to be arising from this point on the principal axis

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Q:

On which date is India likely to experience the shortest day?

A) December 22 B) March 21
C) June 22 D) September 23
 
Answer & Explanation Answer: A) December 22

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Q:

Bridgmanite is

A) A bridge on the river Thames B) Name of a game
C) Earth's most abundant mineral D) Name of a music
 
Answer & Explanation Answer: C) Earth's most abundant mineral

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Q:

The following table gives the details of the number of students in class 10 section A and B who had taken mid-term and final exam. The % of students in section A is ____ (round to one decimal).

A) 51.3 B) 51.1
C) 51.2 D) 51
 
Answer & Explanation Answer: B) 51.1

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Q:

Atomic numbers of four elements are as follows : F(9), P(15), Cl(17), Ar(18). Which of the following two elements would be chemically similar?

A) F and Ar B) Cl and P
C) F and P D) F and Cl
 
Answer & Explanation Answer: D) F and Cl

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Q:

The study of individual markets of demand and supply in which the 'players', or the decision makers, were also individuals (buyers or sellers, even companies) who were seen as trying to maximize their profits (as producers or sellers) and their personal satisfaction or welfare levels (as consumers) is called?

A) Macroeconomics B) Econometrics
C) Microeconomics D) Heterodox Economics
 
Answer & Explanation Answer: C) Microeconomics

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Q:

In 2015, the nominal rate of interest in a country was 8% and the inflation rate then was 2.5%. So real rate of interest in 2015 was

A) 3.2 percent B) 10.5 percent
C) 8 percent D) 5.5 percent
 
Answer & Explanation Answer: D) 5.5 percent

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