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Which of the following statements are true?
1. All radioactive elements decay exponentially with time.
2. Half-life time of radioactive elements is the time required for one-half of the radioactive atoms to disintegrate.
3. Age of the earth can be determined by radioactive dating.
4. Half-life time of a radioactive element is fifty percent of its average life period.
Select the correct answer:
The scope for violating research ethics is considered to be relevant in respect of which of the following stages in a research study? A. Formulating research hypothesis and setting up a Null hypothesis for testing it B. Defining and delimiting the scope of the research study C. Analysing and interpreting research data D. In defining a research population and method of sampling E. Reporting the research findings and using the same as a basis for policy formulation Choose the correct answer from the options given below:
In the list of statements given below which of them offer a suitable definition of research? Give your answer by selecting from the code. 1) Research means a repeated search. 2) Research is basically an answer to a question. 3) Research provides an authentic solution to a problem. 4) Research is an endeavour to prove one's hypothesis. 5) Research is a meaning-giving process. 6) Research means drawing a sample from a defined population.
Which of the following statements best reflect the meaning and characteristics of research? Code: (a) Research means challenging the status quo. (b) Research is an endeavor to collect facts and information. (c) Research is a synthesis of deductive and inductive processes. (d) Research means proving one’s assertions and beliefs. (e) Research is a careful review of reported studies. (f) Research is a critical and passionate search for knowledge.
The personalistic styles of writing a research report are permissible in which of the following research? A. Grounded theory research B. Experimental research C. Participant-observation based research D. Historical research E. Case study research Choose the correct answer from the option given below:
Nuclear wastes is waste that contains radioactive material. Radioactive material is normally a by product of nuclear power generation. Radioactive waste is regulated by government agencies in order to protect human health and the environment. Radioactivity naturally decays over time, so radioactive waste has to be isolated and confined in appropriate disposal facilities for a sufficient period until it no longer poses a threat. Which of the following statements can be inferred from the paragraph?
Match List I with List II List I List II Research Steps Characteristics (A) Research problem definition (I) Appropriateness of techniques and their application (B) Formulation of research hypothesis (II) Development of a conceptual framework which is in accord with hypothesis of research (C) Design of research (III) Defining the variables to be related in unambiguous terms (D) Data Analysis (IV) Academic and social value of the research question to be weighed Choose the correct answer from the options given below:
In choosing a research tool which of the following are important considerations? A. The validity of the research tool B. The reliability of the research tool C. cost involved in terms of time and resources for use of research tool. D. Face validity of the research tool E. Opinion of the research supervisor Select the correct answer from the following options:
There are two sets given below in which Set I offers types of Research and Set II gives their description. Match the two sets: SET I SET II (Types of Research) (Description) a) Fundamental Research (i) In-depth study with focus on typicalities b) Applied Research (ii) Intervention based ameliorative moves c) Action Research (iii) Exploring applicability of truths/principles to new situations d) Case Study Research (iv) Impact studies to watch effects   (v) Adding to corpus of knowledge by formulating theory Choose the correct answer from the following options:
Match List I with List II List I List II Key research terms Description A. Research problems I. Devices using which data are gathered B. Research hypothesis II. A subset drawn from a defined set or universe C. Sample of study III. A tentative solution or answer to a research question D. Research tools IV. The research question which has to be answered Choose the Correct answer from the option given below: