This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Radiology
Use of filters result in: 
Select and explain. 
A. Softer beam radiation, B. Wider beam coverage, C. Less penetrating beam, D. Beam of greater intensity
D: Beam of greater intensity
Answer: D: Beam of greater intensity 
Explanation: Ans. Beam of greater intensity