Practise target definition, radiobiology calculations, treatment selection and toxicity assessment for India’s postgraduate DNB Radiation Oncology exit examination. These are independent learning materials, not official exam questions or a pass prediction.

Read the DNB Final Examination (Radiation Oncology) study guide and official exam sources
Exam outline and official sources

National Board of Examinations in Medical Sciences (NBEMS) · Reviewed 2026-10-09. NBEMS's current curriculum index lists Radiation Oncology but links to the undated competency-based curriculum titled DNB–Radio Therapy. This legacy specialty title is mapped to current DNB Radiation Oncology using the official index and June 2026 DNB Final bulletin. No curriculum edition or effective date is stated. The June 2026 bulletin, whose filename identifies V1 dated 23.04.2026, verifies the exit examination and current specialty name; it does not establish a new syllabus effective date.

This original 20-question sample covers selected topics across the outline. It does not reproduce official exam questions or cover every tested topic.

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DNB Final Examination (Radiation Oncology)

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An ideal point source produces a dose rate of 12 units at 60 cm. What dose rate is expected at 120 cm if attenuation and scatter are excluded?

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