UPPCS · પ્રશ્ન 60
Given below are two statements, one labelled as Assertion (A) and the other as Reason (R). Assertion (A): Jet streams discovered during World War II are high altitude easterly winds. Reason (R): Jet streams flow with a speed of 300-500 km/hour. Select the correct answer using the code given below.
જવાબ બતાવો અને સમજૂતી
જવાબ: (B) (A) is false, but (R) is true
સમજૂતી
Jet streams (noticed by WWII pilots) are mainly high-altitude westerlies, so A is false; they can reach speeds of about 300-500 km/h.