निम्नलिखित भौतिक राशियों पर विचार करें: दाब, शक्ति, ऊर्जा, आवेग, गुरुत्वीय विभव, विद्युत आवेश, तापमान, क्षेत्रफल। इनमें से केवल सदिश राशियाँ हैं:

Given below are two statements: Assertion (A) and Reason (R). Assertion (A): Speed is a scalar quantity. Reason (R): A scalar quantity has magnitude only and no direction. Choose the most appropriate option based on these statements:

Which of the following physical quantities is NOT a vector quantity?