Physics · Scientific Instruments
एपिडायोस्कोप (Epidiascope) का उपयोग किसे प्रदर्शित करने के लिए किया जाता है? 1. आरेख (Diagrams)2. लिखित सामग्री (Written materials) नीचे दिए गए विकल्पों में से सही उत्तर चुनिए:
- 1न तो 1 और न ही 2
- 21 और 2 दोनों✓
- 3केवल 2
- 4केवल 1
सही उत्तर देखें
1 और 2 दोनों
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