Concave Mirror and definition of Pole

Question 99 A concave mirror is
A>  is curved inwards
B>   is curved outwards
C>  is curved to both sides
D> is a plain mirror
Answer: is curved inwards

Question 100 Which one is true:
A> The centre of the reflecting surface of a spherical mirror is a point called the pole.
B> The extreme left of mirror is called pole.
C> The extreme right point of spherical mirror is called the pole.
Answer : The centre of the reflecting surface of a spherical mirror is a point called the pole.

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Who operates the monetary policy in India?

Question 81 Who operates the monetary policy in India ?
A. Ministry of finance
B. Reserve bank of lndia
C.Security and exchange board of India

D. None of these

Answer: Reserve bank of India(RBI)

Question 82 The point where the energy is released during an earthquake is called-

A. epicentre
B. hypocentre
C. circumcenter

Answer : epicentre

Question 83 The pH of Human Blood is ___?

A. 7.4
B. 7.2
C. 7.8
D. 6.6

Answer 7.4

Explanation : Blood pH is within the narrow range of 7.35 to 7.45.

 Question 84 बैँको का बैँक " किसे कहते है ?(Bank of Banks)
A स्टेट बैँक ऑफ इंडिया (State Bank of India)
B भारतीय रिजर्व बैँक (Reserve Bank of India)
C युनाइटेड बैँक ऑफ इंडिय (United Bank of India)
D पंजाब नेशनल बैँक (Punjab National Bank)
Answer: Reserve Bank of India

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