Q. The principles of the doctrine of Arya Samaj were expressed in the book
(a) Satyartha Prakash
(b) Kesari
(c) Upanishads
(d) Hind Swaraj
Ans: (a) Satyartha Prakash
Explanation: The correct answer is (a) Satyartha Prakash.
The principles of the doctrine of Arya Samaj were expressed in the book called “Satyartha Prakash” (The Light of Truth). Satyartha Prakash was written by Swami Dayananda Saraswati, the founder of the Arya Samaj, and it serves as the foundational text of the Arya Samaj movement.
In Satyartha Prakash, Swami Dayananda Saraswati presents his interpretation and exposition of Vedic philosophy and principles. The book outlines the core beliefs and principles of the Arya Samaj, including monotheism, rejection of idol worship, promotion of Vedic knowledge and education, social reform, and the pursuit of truth.
Satyartha Prakash played a significant role in spreading the ideas and teachings of the Arya Samaj and continues to be a revered text for followers of the Arya Samaj.
Therefore, the correct answer is option (a) Satyartha Prakash.