Question
| Column-I | Column-II |
| Length | s |
| Mass | m |
| Time | k |
| Temperature | kg |
| Column-I | Column-II |
| Length | s |
| Mass | m |
| Time | k |
| Temperature | kg |
| Column-I | Column-II |
| Length | m |
| Mass | kg |
| Time | s |
| Temperature | k |
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Match the following.
| 1. | Density | hρg |
| 2. | 1 gwt | Milk |
| 3. | Pascal’s law | $\frac{\text { Mass }}{\text { Volume }}$ |
| 4. | Pressure exerted by a fluid | Pressure |
| 5. | Lactometer | 980 dyne |
| Column-I | Column-II |
| Millimeter | 10-15 m |
| Nanometer | 10-3m |
| Angstrom | 10-9m |
| Fermi | 10-10m |
| Column-I | Column-II |
| Electric Current | radian |
| Luminous intensity | ampere |
| Angle | steradian |
| Solid angle | candela |
| Organ | Elimination | |
| Skin | a. | Urine |
| Lungs | b. | Sweat |
| Intestine | c. | Carbon dioxide |
| Kidneys | d. | Undigested food |
| 1. Stethoscope | a) Repeated reflections |
| 2. Echogram | b) Multiple reflections |
| 3. SONAR | c) Ultrasonic waves |
| 4. Reverberation | d) Speed of underwater objects |
| 1) Hardest substance in our body | a) Aluminium phosphate |
| 2) Citrus fruits | b) Potash alum |
| 3) Rice plant | c) Insoluble in water |
| 4) Double salts | d) Acidic soil |
| 5) Silver chloride | e) Calcium phophate |
| f) Alkaline soil |
| Wave | a) Unwanted sound |
| 2. Sound | b) Successive reflections |
| 3. Noise | c) Movement of disturbance |
| 4. Thunder | d) Mechanical wave |
| 1. Saccharomyces cerevisiae | a) Biofertilizers |
| 2. Mycorrhizae | b) Organic acids |
| 3. Aspergillus Niger | c) Fermented beverages |
| 4. Bacillus Megaterium | d) Curing of tobacco leaves |
| Column-I | Column-II |
| 10 years | 1 year |
| 10 centuries | 1century(100 years) |
| 10 decades | 1 millennium |
| 365.24 days | 1 decade |
| 1. Cochlea | a) Amplification of vibrations |
| 2. Pinna | b) Electrical signals to the brain |
| 3. Ear bones | c) Pressure variations to an electrical signal |
| 4. Auditory nerve | d) Collection of sound |