Water with detergent dissolved in it should have small angles of conta

1.	Water with detergent dissolved in it should have small angles of contact.
Answer» <html><body><p></p>Solution :The clothes have narrow <a href="https://interviewquestions.tuteehub.com/tag/pores-1159601" style="font-weight:bold;" target="_blank" title="Click to know more about PORES">PORES</a> or spaceswhich act as capillaries . The <a href="https://interviewquestions.tuteehub.com/tag/height-1017806" style="font-weight:bold;" target="_blank" title="Click to know more about HEIGHT">HEIGHT</a> of liquid in capillary,<br/> `h=(2Tcostheta)/(rrhog)`<br/>`therefore` Height h is proportinal to `costheta` (Where `theta` is <a href="https://interviewquestions.tuteehub.com/tag/angle-875388" style="font-weight:bold;" target="_blank" title="Click to know more about ANGLE">ANGLE</a> of <a href="https://interviewquestions.tuteehub.com/tag/contact-25916" style="font-weight:bold;" target="_blank" title="Click to know more about CONTACT">CONTACT</a>). As the `theta` is smaller for <a href="https://interviewquestions.tuteehub.com/tag/detergent-437903" style="font-weight:bold;" target="_blank" title="Click to know more about DETERGENT">DETERGENT</a> , therefore `costheta` will be large . Due to this the detergent will penetrate more in the narrow pores of the clothes.</body></html>

Water with detergent dissolved in it should have small angles of contact.